Pham MG, Dang TTL, Huynh TH. Realities and solutions to developing managerial staffs of Dong Thap high schools subject to principals standard. Dong Thap University Journal of Science [Internet]. 2017 Apr. 28 [cited 2024 Sep. 8];(25):3-9. Available from: https://dthujs.vn/index.php/dthujs/article/view/690