1.
Ncube L, Zhao B, Niekerk HJ van. An Evaluation of the Effects of Historical Coal Mining Activities on Water Quality in the Elitheni Colliery, Eastern Cape Province, South Africa. AJAS [Internet]. 2017 Oct. 25 [cited 2024 Mar. 29];5(5). Available from: https://www.ajouronline.com/index.php/AJAS/article/view/4812