Biratu, A. K. “Underage Marriage, Sexual Debut, and Factors Associated With Risky Sexual Behavior Among High School Students, Sidama Region, Southern Ethiopia”. Ethiopian Journal of Medical and Health Sciences, vol. 2, no. 1, Dec. 2022, pp. 61-77, https://journals.hu.edu.et/hu-journals/index.php/ejmhs/article/view/684.