Japperi, N. S., Mohd Asri, Z. Z., Wan Bakar, W. Z., Dollah, ’Aqilah, Ahmad Fuad, M. F. I. and Che Mohamed Hussein, S. N. (2021) “Review on landfill gas formation from leachate biodegradation”, Malaysian Journal of Chemical Engineering & Technology, 4(1), pp. 39–49. doi: 10.24191/mjcet.v4i1.12719.