Supa, K., Salang, L., Werawatakul, Y., Khampitak, K., & Wattanakamolchai, K. (2014). KAP Study on Contraception of the 1st Year Male Students in Khon Kaen University. Srinagarind Medical Journal, 29(4), 81. Retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/23649