Mukkafa, Shehu, Jackson M Ishaku, Ibrahim Abdulkarim Kwami, and Yakubu Sulaiman Hamza. “Application of Water Quality Index to Assess Suitability of Groundwater Quality for Drinking Purposes in Kaltungo and Environs, North-East Nigeria”. The International Journal of Science & Technoledge 7, no. 4 (April 30, 2019). Accessed May 17, 2024. http://www.internationaljournalcorner.com/index.php/theijst/article/view/144539.