Nguyen, Nhung T.P., An T.T. Chu, Ly H. Tran, Son X. Pham, Hien N. Nguyen, and Vinh T. Nguyen. “Factors Influencing Elementary Teachers’ Readiness in Delivering Sex Education Amidst Covid-19 Pandemic”. International Journal of Learning, Teaching and Educational Research 21, no. 2 (February 28, 2022): 320–341. Accessed June 4, 2026. http://ijlter.net/index.php/ijlter/article/view/1262.