พวงสมบัติ ก.; เสนารัตน์ ส.; เสนารัตน์ เ. Development of the Testing and Diagnostic Assessment Program of Problem Solving Skills in Application of Linear Equation. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 7, n. 2, p. 90–100, 2018. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/143189. Acesso em: 26 apr. 2024.