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). https://doi.org/10.1371/journal.pone.0314955