Nwankwoala, H. O. ., and M. A. . Agbebia. “Karst Topographic Studies of Ekintae East, Near Mfamosing, South-Eastern Nigeria”. 2018. British Journal of Multidisciplinary and Advanced Studies, vol. 2, no. 3, Sept. 2022, pp. 67-74, https://bjmas.org/index.php/bjmas/article/view/19.