Dingeta, Tariku, Lemessa Olijira, Tadesse Alemayehu, and Ayalu Akililu. 2018. “First Sexual Intercourse and Risky Sexual Behaviors Among Undergraduate Students at Haramaya University, Ethiopia”. Ethiopian Journal of Reproductive Health 5 (1). https://doi.org/10.69614/ejrh.v5i1.46.