Nguyen Thi Kim Thoa, and Ho Thi Minh Trang. “APPLYING THE FLIPPED CLASSROOM MODEL IN TEACHING THE 4TH GRADE MATHEMATICS”. UED Journal of Social Sciences, Humanities and Education 7, no. 3 (September 30, 2017): 93-98. Accessed December 11, 2024. https://jshe.vn/index.php/jshe/article/view/794.