กลัดชื่นร. and ชัยชมชื่นส. (2019) “The Development of Adaptive Web-based Learning Model with Problem-based Learning Based on Cloud Computing for High Vocational Certificate”, The Academic Journal: Faculty of Humanities and Social Sciences Nakhonsawan Rajabhat University, 5(1), pp. 77-98. Available at: https://so05.tci-thaijo.org/index.php/hssnsru/article/view/176940 (Accessed: 5August2020).