Bút Lông Kim Artline Ek - 220
Thương hiệu: ARTLINE
Mã sản phẩm: 25989
0 ₫ 0 ₫
0 ₫
0 ₫
Tư vấn và hỗ trợ 24/7
093 4567 720
Hòm thư hỗ trợ
sangha@sangha.vn
Giờ mở cửa
Bắt đầu từ Thứ 2 - Thứ 7 - Sáng từ 7h30 - 17h30
SẢN PHẨM LIÊN QUAN
![[25927] Bút Lông Dầu Artline Ek-90 Đen](/web/image/product.template/25927/image_128/300x300/%5B25927%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Artline%20Ek-90%20%C4%90en?unique=9bf9c42)
![[25928] Bút Lông Dầu Artline Japan Ek-50 Xanh](/web/image/product.template/25928/image_128/300x300/%5B25928%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Artline%20Japan%20Ek-50%20Xanh?unique=355c9b1)
![[8935024583081] Bút Lông Dầu Bến Nghé M04 Đen](/web/image/product.template/25929/image_128/300x300/%5B8935024583081%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20B%E1%BA%BFn%20Ngh%C3%A9%20M04%20%C4%90en?unique=36aa5c8)
![[8935024583074] Bút Lông Dầu Bến Nghé M04 Đỏ](/web/image/product.template/25930/image_128/300x300/%5B8935024583074%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20B%E1%BA%BFn%20Ngh%C3%A9%20M04%20%C4%90%E1%BB%8F?unique=0220b96)
![[8935024583067] Bút Lông Dầu Bến Nghé M04 Xanh](/web/image/product.template/25931/image_128/300x300/%5B8935024583067%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20B%E1%BA%BFn%20Ngh%C3%A9%20M04%20Xanh?unique=d45d974)
![[8935001810339] Bút Lông Dầu CD PM 04 Đen Thiên Long](/web/image/product.template/25961/image_128/300x300/%5B8935001810339%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20CD%20PM%2004%20%C4%90en%20Thi%C3%AAn%20Long?unique=fa484ec)
![[8935001810339] Bút Lông Dầu CD PM 04 Đỏ Thiên Long](/web/image/product.template/25962/image_128/300x300/%5B8935001810339%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20CD%20PM%2004%20%C4%90%E1%BB%8F%20Thi%C3%AAn%20Long?unique=f6c06ee)
![[8935001810339] Bút Lông Dầu CD PM 04 Hồng Thiên Long](/web/image/product.template/25963/image_128/300x300/%5B8935001810339%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20CD%20PM%2004%20H%E1%BB%93ng%20Thi%C3%AAn%20Long?unique=9cb07e8)
![[8935001810339] Bút Lông Dầu CD PM 04 Xanh Thiên Long](/web/image/product.template/25964/image_128/300x300/%5B8935001810339%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20CD%20PM%2004%20Xanh%20Thi%C3%AAn%20Long?unique=7e4804e)
![[8935001879893] Bút Lông Dầu Fo Pm01 Đỏ FlexOffice](/web/image/product.template/25932/image_128/300x300/%5B8935001879893%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Fo%20Pm01%20%C4%90%E1%BB%8F%20FlexOffice?unique=7e2dadd)
![[25934] Bút Lông Dầu Fo Pm-09 Đen FlexOffice](/web/image/product.template/25934/image_128/300x300/%5B25934%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Fo%20Pm-09%20%C4%90en%20FlexOffice?unique=d8ea253)
![[25935] Bút Lông Dầu Fo Pm-09 Đỏ FlexOffice](/web/image/product.template/25935/image_128/300x300/%5B25935%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Fo%20Pm-09%20%C4%90%E1%BB%8F%20FlexOffice?unique=de6a656)
![[25939] Bút Lông Dầu Lineplus Per-1000B](/web/image/product.template/25939/image_128/300x300/%5B25939%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-1000B?unique=a80a1f5)
![[25940] Bút Lông Dầu Lineplus Per-1100C](/web/image/product.template/25940/image_128/300x300/%5B25940%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-1100C?unique=50c0e9d)
![[25938] Bút Lông Dầu Line Plus Per-200F/M](/web/image/product.template/25938/image_128/300x300/%5B25938%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Line%20Plus%20Per-200F-M?unique=e7803fb)
![[25941] Bút Lông Dầu Lineplus Per-220Uf](/web/image/product.template/25941/image_128/300x300/%5B25941%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-220Uf?unique=79aec40)
![[25942] Bút Lông Dầu Lineplus Per-2300Uf/F/M](/web/image/product.template/25942/image_128/300x300/%5B25942%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-2300Uf-F-M?unique=6cbd71f)
![[25943] Bút Lông Dầu Lineplus Per-2400B/C](/web/image/product.template/25943/image_128/300x300/%5B25943%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-2400B-C?unique=754d5b2)
![[25944] Bút Lông Dầu Lineplus Per-2450B/C](/web/image/product.template/25944/image_128/300x300/%5B25944%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-2450B-C?unique=be8384c)
![[25945] Bút Lông Dầu Lineplus Per-2600C](/web/image/product.template/25945/image_128/300x300/%5B25945%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-2600C?unique=4bad67f)
![[25946] Bút Lông Dầu Lineplus Per-2700C](/web/image/product.template/25946/image_128/300x300/%5B25946%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-2700C?unique=e08b954)
![[25947] Bút Lông Dầu Lineplus Per-Trima303](/web/image/product.template/25947/image_128/300x300/%5B25947%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-Trima303?unique=008828f)
![[25948] Bút Lông Dầu Lineplus Per-Trima330B/C](/web/image/product.template/25948/image_128/300x300/%5B25948%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Per-Trima330B-C?unique=efc234e)
![[25949] Bút Lông Dầu Lineplus Wbm-600B/C](/web/image/product.template/25949/image_128/300x300/%5B25949%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Lineplus%20Wbm-600B-C?unique=8fffa2a)
![[25950] Bút Lông Dầu M-03 Bến Nghé](/web/image/product.template/25950/image_128/300x300/%5B25950%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20M-03%20B%E1%BA%BFn%20Ngh%C3%A9?unique=51789b7)
![[25951] Bút Lông Dầu M-04 Bến Nghé](/web/image/product.template/25951/image_128/300x300/%5B25951%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20M-04%20B%E1%BA%BFn%20Ngh%C3%A9?unique=82b1b32)
![[8935013401044de] Bút Lông Dầu Penta Đen](/web/image/product.template/25952/image_128/300x300/%5B8935013401044de%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Penta%20%C4%90en?unique=4ca741a)
![[25953] Bút Lông Dầu Penta Đỏ](/web/image/product.template/25953/image_128/300x300/%5B25953%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Penta%20%C4%90%E1%BB%8F?unique=9ac980e)
![[8935013401044xd] Bút Lông Dầu Penta Xanh](/web/image/product.template/25954/image_128/300x300/%5B8935013401044xd%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Penta%20Xanh?unique=c0caa57)
![[8851295531318de] Bút Lông Dầu Pilot Cây Lớn Đen](/web/image/product.template/25955/image_128/300x300/%5B8851295531318de%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20C%C3%A2y%20L%E1%BB%9Bn%20%C4%90en?unique=372a4b0)
![[8851295531318do] Bút Lông Dầu Pilot Cây Lớn Đỏ](/web/image/product.template/55711/image_128/300x300/%5B8851295531318do%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20C%C3%A2y%20L%E1%BB%9Bn%20%C4%90%E1%BB%8F?unique=e03d5d6)
![[8851295531318xd] Bút Lông Dầu Pilot Cây Lớn Xanh](/web/image/product.template/25956/image_128/300x300/%5B8851295531318xd%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20C%C3%A2y%20L%E1%BB%9Bn%20Xanh?unique=9fe3744)
![[25957] Bút Lông Dầu Pilot Sọc Đen](/web/image/product.template/25957/image_128/300x300/%5B25957%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20S%E1%BB%8Dc%20%C4%90en?unique=61cade7)
![[25958] Bút Lông Dầu Pilot Sọc Đỏ](/web/image/product.template/25958/image_128/300x300/%5B25958%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20S%E1%BB%8Dc%20%C4%90%E1%BB%8F?unique=2b5a32e)
![[25959] Bút Lông Dầu Pilot Sọc Xanh](/web/image/product.template/25959/image_128/300x300/%5B25959%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20S%E1%BB%8Dc%20Xanh?unique=d723bec)
![[55702] Bút Lông Dầu Pilot Sọc Xanhp](/web/image/product.template/55702/image_128/300x300/%5B55702%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Pilot%20S%E1%BB%8Dc%20Xanhp?unique=18af4ea)
![[25960] Bút Lông Dầu PM 01 Xanh](/web/image/product.template/25960/image_128/300x300/%5B25960%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20PM%2001%20Xanh?unique=126bfb0)
![[25965] Bút Lông Dầu Queen 01](/web/image/product.template/25965/image_128/300x300/%5B25965%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Queen%2001?unique=102a761)
![[25966] Bút Lông Dầu Queen 02](/web/image/product.template/25966/image_128/300x300/%5B25966%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Queen%2002?unique=a2eb031)
![[25968] Bút Lông Dầu Scribie-Blue Horse](/web/image/product.template/25968/image_128/300x300/%5B25968%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Scribie-Blue%20Horse?unique=5571332)
![[25967] Bút Lông Dầu Scribie-Red Horse](/web/image/product.template/25967/image_128/300x300/%5B25967%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Scribie-Red%20Horse?unique=e6ca079)
![[25969] Bút Lông Dầu Supreme Artline Epf-700](/web/image/product.template/25969/image_128/300x300/%5B25969%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Supreme%20Artline%20Epf-700?unique=351e288)
![[25970] Bút Lông Dầu Thiên Long Fo-Pm01](/web/image/product.template/25970/image_128/300x300/%5B25970%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20Fo-Pm01?unique=3e7e829)
![[25971] Bút Lông Dầu Thiên Long Fo-Pm02](/web/image/product.template/25971/image_128/300x300/%5B25971%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20Fo-Pm02?unique=c74d45e)
![[25972] Bút Lông Dầu Thiên Long Fo-Pm03](/web/image/product.template/25972/image_128/300x300/%5B25972%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20Fo-Pm03?unique=b6dacc8)
![[25973] Bút Lông Dầu Thiên Long Fo-Pm05](/web/image/product.template/25973/image_128/300x300/%5B25973%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20Fo-Pm05?unique=2f728b1)
![[25974] Bút Lông Dầu Thiên Long Fo-Pm06](/web/image/product.template/25974/image_128/300x300/%5B25974%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20Fo-Pm06?unique=c426573)
![[25977] Bút Lông Dầu Thiên Long TL PM 07 Đen](/web/image/product.template/25977/image_128/300x300/%5B25977%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20TL%20PM%2007%20%C4%90en?unique=a472654)
![[25978] Bút Lông Dầu Thiên Long TL PM 07 Đỏ](/web/image/product.template/25978/image_128/300x300/%5B25978%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20TL%20PM%2007%20%C4%90%E1%BB%8F?unique=ec4877f)
![[8935001810902] Bút Lông Dầu Thiên Long TL PM 07 Xanh](/web/image/product.template/25979/image_128/300x300/%5B8935001810902%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20TL%20PM%2007%20Xanh?unique=c39054c)
![[8935001878537] Bút Lông Dầu Thiên Long TL PM 09 Đen](/web/image/product.template/25980/image_128/300x300/%5B8935001878537%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20TL%20PM%2009%20%C4%90en?unique=34ad21f)
![[8935001813989] Bút Lông Dầu Thiên Long TL PM 09 Đỏ](/web/image/product.template/25981/image_128/300x300/%5B8935001813989%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20TL%20PM%2009%20%C4%90%E1%BB%8F?unique=e1b682e)
![[8935001813972] Bút Lông Dầu Thiên Long TL PM 09 Xanh](/web/image/product.template/25982/image_128/300x300/%5B8935001813972%5D%20B%C3%BAt%20L%C3%B4ng%20D%E1%BA%A7u%20Thi%C3%AAn%20Long%20TL%20PM%2009%20Xanh?unique=b98ed0f)
![[25984] Bút Lông Horse Sọc Đen](/web/image/product.template/25984/image_128/300x300/%5B25984%5D%20B%C3%BAt%20L%C3%B4ng%20Horse%20S%E1%BB%8Dc%20%C4%90en?unique=e2588ff)
![[8851552307480] Bút Lông Horse Sọc Đỏ H-110](/web/image/product.template/25985/image_128/300x300/%5B8851552307480%5D%20B%C3%BAt%20L%C3%B4ng%20Horse%20S%E1%BB%8Dc%20%C4%90%E1%BB%8F%20H-110?unique=719a43c)
![[25986] Bút Lông Horse Sọc Xanh](/web/image/product.template/25986/image_128/300x300/%5B25986%5D%20B%C3%BAt%20L%C3%B4ng%20Horse%20S%E1%BB%8Dc%20Xanh?unique=14b539d)
![[55870] Bút Lông Kim 12 Màu Deli EQ900-12](/web/image/product.template/55870/image_128/300x300/%5B55870%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%2012%20M%C3%A0u%20Deli%20EQ900-12?unique=a2e6226)
![[25987] Bút Lông Kim 2 Đầu Zebra](/web/image/product.template/25987/image_128/300x300/%5B25987%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%202%20%C4%90%E1%BA%A7u%20Zebra?unique=bfee16b)
![[25988] Bút Lông Kim Artline Ek - 200](/web/image/product.template/25988/image_128/300x300/%5B25988%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Artline%20Ek%20-%20200?unique=494c23b)
![[25993] Bút Lông Kim Fl-01](/web/image/product.template/25993/image_128/300x300/%5B25993%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Fl-01?unique=a42e710)
![[25994] Bút Lông Kim Fl04/DO Doremon Đỏ](/web/image/product.template/25994/image_128/300x300/%5B25994%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Fl04-DO%20Doremon%20%C4%90%E1%BB%8F?unique=0be8bee)
![[8935001816652] Bút Lông Kim Fl04/DO Doremon Tím](/web/image/product.template/25995/image_128/300x300/%5B8935001816652%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Fl04-DO%20Doremon%20T%C3%ADm?unique=9992ef5)
![[25996] Bút Lông Kim Fl04/DO Doremon Xanh](/web/image/product.template/25996/image_128/300x300/%5B25996%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Fl04-DO%20Doremon%20Xanh?unique=4eec2ba)
![[8935001813330] Bút Lông Kim Fl-09](/web/image/product.template/25997/image_128/300x300/%5B8935001813330%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Fl-09?unique=95c3e0f)
![[25998] Bút Lông Kim Lineplus Power - Line 2200](/web/image/product.template/25998/image_128/300x300/%5B25998%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Lineplus%20Power%20-%20Line%202200?unique=a5a92aa)
![[25999] Bút Lông Kim Lineplus Power-Line 2800](/web/image/product.template/25999/image_128/300x300/%5B25999%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Lineplus%20Power-Line%202800?unique=728d851)
![[26000] Bút Lông Kim Lineplus Power-Line 3000](/web/image/product.template/26000/image_128/300x300/%5B26000%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Lineplus%20Power-Line%203000?unique=ef73198)
![[26001] Bút Lông Kim Lineplus SHarpline 3900](/web/image/product.template/26001/image_128/300x300/%5B26001%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Lineplus%20SHarpline%203900?unique=2b68bb2)
![[26002] Bút Lông Kim Queen(0.5Mm) Fl-01](/web/image/product.template/26002/image_128/300x300/%5B26002%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Queen%280.5Mm%29%20Fl-01?unique=04553fc)
![[8935001813248] Bút Lông Kim Rửa Được Fl08/Do tím](/web/image/product.template/26003/image_128/300x300/%5B8935001813248%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20R%E1%BB%ADa%20%C4%90%C6%B0%E1%BB%A3c%20Fl08-Do%20t%C3%ADm?unique=fccd075)
![[26004] Bút Lông Kim Signo Broad (1.0) Uni 153 Xanh](/web/image/product.template/26004/image_128/300x300/%5B26004%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Signo%20Broad%20%281.0%29%20Uni%20153%20Xanh?unique=83b65c4)
![[26005] Bút Lông Kim Stix Artline Etx-200](/web/image/product.template/26005/image_128/300x300/%5B26005%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Stix%20Artline%20Etx-200?unique=8f00e94)
![[26006] Bút Lông Kim Stix Artline Etx-300](/web/image/product.template/26006/image_128/300x300/%5B26006%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Stix%20Artline%20Etx-300?unique=3729b65)
![[26007] Bút Lông Kim Supreme Artline Epfs-200](/web/image/product.template/26007/image_128/300x300/%5B26007%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Supreme%20Artline%20Epfs-200?unique=5aceb12)
![[8935001816591] Bút Lông Kim Thiên Long Beebee Fl04 Tím](/web/image/product.template/26008/image_128/300x300/%5B8935001816591%5D%20B%C3%BAt%20L%C3%B4ng%20Kim%20Thi%C3%AAn%20Long%20Beebee%20Fl04%20T%C3%ADm?unique=8cad277)
MÔ TẢ SẢN PHẨM
Bút lông kim Artline Japan EK-220 là dòng bút đáng từng xu của bạn. Bút được thiết kế tinh tế với kiểu dáng gần 100 năm qua. Bút có ngòi kim viết cực kỳ êm và mực ra rất đều. Màu của mực tuyệt đẹp, bạn có thể sử dụng bút lông kim này để viết hay vẽ đều mang lại cảm giác thích thú.
Mực bút nhiều đến nổi viết mòn ngòi bút vẫn chưa hết mực
Ngòi bút 0.2 mm
Hộp có 12 cây
Màu sắc đẹp và đa dạng
Bút Lông Kim Artline Ek – 220 thương hiệu Artline. Màu sắc tươi, mực mau khô và lâu phai, đa dạng màu sắc để bạn lựa chọn.
Lượng mực cực nhiều, sử dụng đến mòn đầu bút vẫn chưa hết mực. Sản phẩm giúp tiết kiệm chi phí cho người dùng.
Mực không chứa chất độc hại, an toàn cho người sử dụng. Chất liệu sản phẩm cao cấp, đảm bảo độ an toàn khi dùng.
Sản phẩm có nhiều màu sắc dễ thương, phù hợp với độ tuổi, sở thích của bạn, đảm bảo xuất xứ rõ ràng, an toàn tuyệt đối. Lựa chọn cho mình cây bút có màu sắc phù hợp, tạo hiệu quả trong công việc của bạn.