Zeleke, Aschalew, Teshale Sori, Esayas Gelaye, and Gelegay Ayelet. “Newcastle Disease in Village Chickens in the Southern and Rift Valley Districts in Ethiopia”. International Journal of Poultry Science 4, no. 7 (June 15, 2005): 507–510. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/377.