Dang Danh Huong, and Hoang Thu Thao. “ EXPERIENCE IN REFRESHER TRAINING FOR HIGH SCHOOL TEACHERS IN DEVELOPED COUNTRIES IN THE WORLD AND ITS APPLICABILITY IN VIETNAM”. UED Journal of Social Sciences, Humanities and Education 7, no. 4 (December 30, 2017): 43-47. Accessed December 22, 2024. https://jshe.vn/index.php/jshe/article/view/804.