sontornsuk, hatairat, and N. Poolkesorn M.S. “The Development of Family Sex-Talk Model for Grade 7 students, Kamphaeng Phet Province”. Journal of Disease and Health Risk DPC.3, vol. 15, no. 2, Aug. 2021, pp. 42-59, https://he01.tci-thaijo.org/index.php/JDPC3/article/view/250192.