Pinyaphong, Jakkrite, Kittiwan Junrith, and Joungrak Duangthong. “Factors Association to safe sex negotiation among female university students in Northern Thailand”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 17, no. 1 (June 1, 2021): 73–84. accessed January 7, 2026. https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/247156.