Usman, F.; Dangoggo, S. M.; Muhammad, A. B.; Umar, K. J.; Shuaibu, I. .; Hamza, A.; Abubakar, I.; Bello, Y. K. DISTRIBUTION AND SIGNIFICANCE OF HEAVY METALS IN SOME COALS FROM BENUE TROUGH. FJS 2023, 2 (1), 231-237.