Z. Ab Muis, A.N. Sadikin, H. Hashim, W.S. Ho, N.A. Yunus, M.K.N. Jensani, C.P.C. Bong, T. Subramaniam, Design and Development of Food Waste to Biogas Converter System, Chemical Engineering Transactions. 83 (2021) 535-540. doi:10.3303/CET2183090.