Chiangkong, A., P. Thongsri, and C. Dhamavasi. “The Causal Model of Factors Affecting to Sexual Risk Prevention Behaviors of Female teenagers in Bangkok: A Mixed Method Approch”. Journal of Public Health Nursing, vol. 32, no. 2, Aug. 2018, pp. 1-22, https://he01.tci-thaijo.org/index.php/phn/article/view/245415.