Bikis liyew, Kemal Tesfa, Kassaye Demeke Altaye, Abeje Diress Gelaw, Alemu Teshale Bicha, Ayanaw Guade Mamo, Kassaw Chekole Adane. "Parametric modeling of under-5 children survival among 30 African countries: Lognormal accelerated failure time gamma shared frailty model." PLoS ONE, 2025. doi:10.1371/journal.pone.0314955