Legesse, H., and M. Sharma. “Parametric Modeling of Survival Data Based on Human Immune Virus (HIV) Infected Adult Patients under Highly Active Antiretroviral Therapy (HAART): A Case of Zewditu Referral Hospital, Addis Ababa (AA), Ethiopia”. International Journal of Statistics in Medical Research, vol. 5, no. 4, Dec. 2016, pp. 240-7, doi:10.6000/1929-6029.2016.05.04.2.