Hengjamrus, Y., Chengcharad, K., Pirom, C., ๋Chantharakoon S., Lertprasertsiri, P. and Yem-Ubon, L. 2013. Sexual Risk Behaviors Surveillance of the Students in Samut Sakhon. Academic Journal of Thailand National Sports University. 5, 3 (Sep. 2013), 1–16.