Usman, Muhammad, Abubakar Abdullahi Lema, and Mahmoud Dogara Abdulrahman. “Determination of Heavy Metals in Dump Site at Katsina States”. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING 8, no. 1 (August 16, 2022): 235–241. Accessed April 29, 2026. https://eajse.tiu.edu.iq/index.php/eajse/article/view/160.