Kadier, Abudukeremu, Logroño, Washington, Rai, Pankaj Kumar, Kalil, Mohd Sahaid, Mohamed, Azah, Hasan, Hassimi Abu, Hamid, Aidil Abdul. “None-platinum electrode catalysts and membranes for highly efficient and inexpensive H2 production in microbial electrolysis cells (MECs): A review.” Iranian Journal of Catalysis, vol. 7, no. 2, 2017, pp. 89-102.