L.A. Mbaya, G. O. Abu, Y.C. Makadi, and D.M. Umar. “Impact of Urbanization on Vegetation Cover in Gombe Metropolis and Environs”. Global Journal of Human-Social Science 19, no. B2 (May 15, 2019): 43–48. Accessed May 8, 2024. https://socialscienceresearch.org/index.php/GJHSS/article/view/2881.