Tran Trung, Nguyen Thi Thanh Tam, and Dang Thanh Hung. “USING THE SOFTWARE GEOGEBRA AS A MEANS OF VISUAL LEARNING IN TEACHING HOW TO SOLVE TRANSFORMATION PROBLEMS”. UED Journal of Social Sciences, Humanities and Education 2, no. 1 (March 20, 2012): 39-45. Accessed November 22, 2024. https://jshe.vn/index.php/jshe/article/view/368.