Sirited , P., W. Thongmark, D. Kotmongkon, R. Wandondaeng, J. Thong-o, and M. Khrueapheng. “Effect of Health Beliefs Modification Program on Adolescent Sexually Transmitted Disease Prevention Behaviors in Phetchaburi Province”. Journal of Health Policy, Law and Administration, vol. 7, no. 2, May 2021, pp. 309-26, https://so05.tci-thaijo.org/index.php/journal_law/article/view/250900.