Tâm, N.T. , Vinh, L.A. , Đức, N.M. , Thắm, P.T.H. , Hiền, Đặng T.M. and Diệp, N.B. 2025. Evaluating the Effectiveness of Textbook Policy in Vietnam: A Grounded Research. Journal of Ecohumanism. 4, 1 (Jan. 2025), 1001 –. DOI:https://doi.org/10.62754/joe.v4i1.5905.