Journal Article
Kebede, Derege, Atalay Alem, Getnet Mitike, Fikre Enquselassie, Frehiwot Berhane, Yigeremu Abebe, Reta Ayele, Wuleta Lemma, Tamrat Assefa, and Tewodros Gebremichael.
"Khat and Alcohol Use and Risky Sex Behaviour among In-school and Out-of-school Youth in Ethiopia." BMC Public Health 5, no. 109 (2005).