E Rava, E Chirwa, P Allison, M van Niekerk, MP Augustyn. The use of exogenous microbial species to enhance the performance of a hybrid fixed-film bioreactor treating coal gasification wastewater to meet discharge requirements. WSA [Internet]. 2016 Jul. 29 [cited 2024 May 6];42(3 July). Available from: https://watersa.net/article/view/10860