Duong HT, Tran TTA, Duong TND, Le TD, Tran TH, Le MK, et al. Analysing teachers’ instructional practice: A case of writing an equation of a circle. Dong Thap University Journal of Science [Internet]. 2023 Jun. 22 [cited 2024 Sep. 8];(29):19-24. Available from: https://dthujs.vn/index.php/dthujs/article/view/511