Kongsin, S., S. Jiamton, R. Boonyai, and N. Prom-On. “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, vol. 27, no. 6, Dec. 2018, pp. 1098-06, https://thaidj.org/index.php/JHS/article/view/5422.