คัทจันทร์ ว, ฤทธิเกิด อ, เพ็ชร์แสงศรี ศ. Effect of Problem-Based E-Learning Courseware on Achievement in the Course of Creating Works with Computer for Mathayomsuksa 4 Students. J. IND. EDUC. [Internet]. 2015 Dec. 31 [cited 2024 May 1];14(3):623-30. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122979