Syarifah, Syarifah, Argyo Demartoto, and Ruben Dharmawan. 2019. “Health Belief Model on the Predictors of Healthy Sex Behavior Among Commercial Female Sex Workers in Surakarta, Central Java”. Journal of Health Promotion and Behavior 3 (2):116-25. https://thejhpb.com/index.php/thejhpb/article/view/118.