ชำนาญ ว.; โสธะโร ส. INSTRUCTIONAL ACTIVITY PACKAGE ON LINEAR PROGRAMMING USING A GRAPHIC CALCULATOR FOR MATHAYOMSUKSA FIVE STUDENTS. Journal of Industrial Education, [S. l.], v. 17, n. 2, p. 134–142, 2018. Disponível em: https://ph01.tci-thaijo.org/index.php/JIE/article/view/119600. Acesso em: 26 apr. 2024.