Nguyen Thi Ha Phuong, Le Thi Bach Lien, Nguyen Thi Mai Thuy. DEVELOPING PROFESSIONAL PEDAGOGICAL CAPACITY FOR HIGH SCHOOL MATHEMATICS TEACHERS THROUGH THE USE OF VISUAL IMAGES IN TEACHING UNDER THE DIRECTION OF THE CONSTRUCTIVISM THEORY . jshe [Internet]. 2017Dec.30 [cited 2024Nov.24];7(4):71-8. Available from: https://jshe.vn/index.php/jshe/article/view/809