Sukchom, Supawadee. 2011. “A Comparative Study of Prathomsuksa 4’s Learning Achievement in Visual Art Between Programmed Instruction and Lecture Teaching Method”. Fine Arts Journal: Srinakharinwirot University 13 (2):62-67. https://so01.tci-thaijo.org/index.php/jfofa/article/view/93050.