Dương Thị Hồng Hải, and Nguyễn Thị Hương Lan. 2021. “Supplementing Practical Mathematic Exercises in Teaching Math Subject for Students Who Are Studying Mathematic Degree in Teacher Training College”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 1 (1):84-90. https://doi.org/10.51453/2354-1431/2015/53.