Loc Nguyen, Phuong Nguyen Thi Lan, Cuong Dang Xuan (2020) “The Development of Problem-Solving Competence Assessment Standards in Math for Vietnamese Students”, International Journal of Advanced Science and Technology, 29(08), pp. 354 - 373. Available at: http://sersc.org/journals/index.php/IJAST/article/view/17022 (Accessed: 28March2024).