Warangkhana Sutin. (2023) Development of Online Practical Business English Writing Skills for Business English Students at the International College, Uttaradit Rajabhat University. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(4), 389-402.Warangkhana Sutin. "Development of Online Practical Business English Writing Skills for Business English Students at the International College, Uttaradit Rajabhat University". Interdisciplinary Academic and Research Journal 3 (2023):389-402.Warangkhana Sutin. Development of Online Practical Business English Writing Skills for Business English Students at the International College, Uttaradit Rajabhat University. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2023.