Ibrahim, O., G. Jokthan, C. Umego, R. Alao, L. Jinadu, and I. Mallam. “Effects of Sex, Morphological Characteristics and Haemoglobin Type on the Growth Traits of Red Sokoto Goats in Semi-Arid Region of Nigeria”. Nigerian Journal of Animal Science, vol. 21, no. 3, Apr. 2023, pp. 1-11, https://www.njas.org.ng/index.php/php/article/view/656.