Baokhumkong, C., Leetongdee, S., Rohitrattana, J., & Jaichuang, S. (2017). Factors Associated with Premature Sexual Activity among Early Adolescents in Ubon Ratchathani Province, Thailand. Journal of Health Research, 31(6), 465–471. Retrieved from https://he01.tci-thaijo.org/index.php/jhealthres/article/view/104265