Vo, N.D. and Dang, T.T.T. 2020. Managing the retraining activities for preschool teachers in Quy Nhon City, Binh Dinh Province based on the career standard. Dong Thap University Journal of Science. 9, 2 (Apr. 2020), 7–14. DOI:https://doi.org/10.52714/dthu.9.2.2020.772.