Haruna, H., A.A. Aliko, S.M. Zakari, and A.H. Omeiza. “Quantitative Analysis of Plant Species Diversity in Kano Zoological Garden”. Bayero Journal of Pure and Applied Sciences 11, no. 1 (February 7, 2019): 208–213. Accessed August 28, 2026. https://www.ajol.info/index.php/bajopas/article/view/183041.