Ngo, N. T. H., H. T. M. Nguyen, H. T. Ngo, L. T. Nguyen, D. T. Nguyen, and V. T. Phan. “The Manifestation of Teacher Leadership in Vietnamese National Educational Policy Documents”. Vietnam Journal of Education, vol. 6, no. Special Issue, May 2022, pp. 79-92, doi:10.52296/vje.2022.181.