Kaewngam, Atcharapan, Saiyut Phupu, and Unyaparn Sinlapaninman. “DESIGN OF LEARNING ACTIVITY PACKAGES TO ENHANCE MECHANICAL DRAWING SKILLS IN COMPUTER-AIDED DRAFTING COURSE FOR SECOND-YEAR VOCATIONAL CERTIFICATE STUDENTS KALASIN TECHNICAL COLLEGE”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 14, no. 1 (March 26, 2025): 27–38. accessed October 13, 2026. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/278857.