Kongsin, Sukhontha, Sukhum Jiamton, Ramonpawee Boonyai, and Nathamon Prom-On. 2018. “Using Cost-Effectiveness Analysis for AIDS Prevention and Alleviation in Youth and Other Most at Risk Population by Participatory Learning for Health Development”. Journal of Health Science of Thailand 27 (6):1098-1106. https://thaidj.org/index.php/JHS/article/view/5422.