Laboon, Tongchai. “A Comparative Study of Learning Achievement in the Database Management System Course Among High Vocational Certificate Students in the Digital Business Technology Program Using Cooperative Learning With the Jigsaw Technique”. Nakhon Ratchasima Journal of Humanities and Social Sciences 1, no. 1 (February 24, 2025): 60–84. accessed April 27, 2025. https://so11.tci-thaijo.org/index.php/NJHSS/article/view/1502.