Boonrin W, Khanaphan K. Premature Sex Protection Behavior of High School Student in Kantralak District Municipality’s Area, Sisaket Province. ubruphjou [internet]. 2020 Dec. 29 [cited 2026 Sep. 30];9(2):114-2. available from: https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/240638