«Risky Sexual Practices and Associated Factors Among Preparatory School Students in Nifas Silk Lafto Sub-City, Addis Ababa, Ethiopia». Journal of Medical Biomedical and Applied Sciences 5, no. 07 (julio 31, 2017). Accedido octubre 23, 2026. https://jmbm.in/index.php/jmbas/article/view/69.