รักศิลป์ ม. Knowledge and attitude about sex education of the freshman of Public Health Program in Community Health, Faculty of Public Health, Ubon Ratchathani Rajabhat University. ubruphjou [internet]. 2018 Jun. 1 [cited 2026 Oct. 1];7(1):82-90. available from: https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/162788