Manyanon , U. ., and J. . Sarayuthpitak. “Effects of Analytical Thinking Process in Sex Education on the Sexual Behavior of Eighth Grade Male Students”. Journal of Education Studies, vol. 48, no. 3, Sept. 2020, pp. 428-42, https://so02.tci-thaijo.org/index.php/EDUCU/article/view/245018.