Okon, B., L. A. Ibom, A. Dauda, and A. B. Okon. “Comparative Egg Morphometric Analysis Between Japanese Quail and Domestic Pigeon Reared in Calabar, Nigeria”. Nigerian Journal of Animal Production 49, no. 1 (February 25, 2022): 89–96. Accessed September 18, 2025. https://njap.org.ng/index.php/njap/article/view/3404.