Ratu Matahari และ Kerry Richter. (2012) Perceptions of preventive and health seeking behavior for sexually transmitted infections among female sex workers in semarang, Central Java-Indonesia : a qualitative study. Mahidol University:ม.ป.ท.Ratu Matahari และ Kerry Richter. 2012. Perceptions of preventive and health seeking behavior for sexually transmitted infections among female sex workers in semarang, Central Java-Indonesia : a qualitative study. ม.ป.ท.:Mahidol University;Ratu Matahari และ Kerry Richter. Perceptions of preventive and health seeking behavior for sexually transmitted infections among female sex workers in semarang, Central Java-Indonesia : a qualitative study. ม.ป.ท.:Mahidol University, 2012. Print.