Oni, O. O., K. O. Bello, and O. F. Soyinka. “Assessment of Newcastle Disease Vaccines from Different Veterinary Outlets in Abeokuta”. Nigerian Journal of Animal Production 44, no. 3 (January 2, 2021): 38–42. Accessed July 25, 2026. https://www.njap.org.ng/index.php/njap/article/view/748.