M. Q. . Khanh, H. Q. . Tinh, T. T. . Tinh, P. T. . Kien, L. V. . Thach, and . L. T. . Thanh, “Enhancing Competence in Preventing Childhood Diseases for Preschool Teachers in Vietnam”, ijmst, vol. 10, no. 2, pp. 1263-1272, Jun. 2023.