M., Akanji, A., et al. “Performance Characteristics And Heamatological Studies Of Broiler Chickens Fed Cowpea Based Diets ”. Journal of Environmental Issues and Agriculture in Developing Countries (JEIADC), vol. 4, no. 1, Nov. 2023, pp. 79-85, http://icidr.org.ng/index.php/jeiadc/article/view/205.