Le, Long, Thuc Nguyen, Te Nguyen, Hao Tran, and Axel Hunger. “PEDAGOGICAL DOMAIN KNOWLEDGE FOR E-LEARNING”. Science and Technology Development Journal 14, no. 1 (March 30, 2011): 14-34. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1881.