Hounnaklang, N., E. Kochagarn, C. Tangusaha, B. Theppitaksak, P. Srisookho, and N. Dusitsin. “Hotline Service on Sexuality Issues at Call Centre for Life Quality Enhancement, Chulalongkorn University”. Journal of Health Research, vol. 19, no. 2, Apr. 2019, pp. 145-56, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/185390.