Risky Sexual Practices and Associated Factors among Preparatory School Students in Nifas Silk Lafto Sub-City, Addis Ababa, Ethiopia. jmbas [网际网络]. 2017年7月31日 [见引于 2026年10月23日];5(07). 载于: https://jmbm.in/index.php/jmbas/article/view/69