Tran Trung, Nguyen Thi Thanh Tam, Dang Thanh Hung. USING THE SOFTWARE GEOGEBRA AS A MEANS OF VISUAL LEARNING IN TEACHING HOW TO SOLVE TRANSFORMATION PROBLEMS. jshe [Internet]. 2012Mar.20 [cited 2024Nov.25];2(1):39-5. Available from: https://jshe.vn/index.php/jshe/article/view/368