M. Nurul Islam Siddique, B. Zaied, N. Haji Ali, M. Zamri Bin Ibrahim, and S. Bin Ismail, “The Use of Carbon based Materials for Improving Methane Production from Ethanol Anaerobic Fermentation: Viability Analysis and Fertilizer Recovery”, ajc, vol. 34, no. 7, pp. 1848–1856, Jun. 2022.