Putchong, C., T. Sirismutr, S. Tantivess, and Y. Teerawattananon. “The Dissemination of the Information Concerning Human Papillomavirus (HPV) Vaccine via Printing Media in Thailand”. Journal of Health Science of Thailand, vol. 19, no. 4, Jan. 2018, pp. 569-78, https://thaidj.org/index.php/JHS/article/view/1454.