Chieloka, Okoli, و Onaga Phelomena. Investigating an Outbreak of Newcastle Disease Among Vaccinated and Unvaccinated Poultry Chicken. East African Journal of Agriculture and Biotechnology 8, no. 1 (فبراير 6, 2025): 38-46. تاريخ الوصول أغسطس 24, 2025. https://journals.eanso.org/index.php/eajab/article/view/2678.