1Onsachi, J.M., 2Dibal, H. U, 3Daku, S.S. The Maiganga Coal Mine Drainage and Its Effects on Water Quality, North Eastern Nigeria. ijetst [Internet]. 2016Jul.30 [cited 2024Nov.27];3(07):324-4333. Available from: http://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1146