BOONTEM, Phagapun, Penprapa SUTHAMMA, and Narunest JURAKARN. “The Effectiveness of Life Skills Program on Life Skills to Prevent Risky Sexual Behaviours in Primary School Students, Thailand”. Walailak Journal of Science and Technology (WJST) 16, no. 8 (January 14, 2018): 545-550. Accessed October 27, 2020. http://wjst.wu.ac.th/index.php/wjst/article/view/4327.