“Identification of Methane-Producing Bacteria from Palm Oil Mill Sludge (POMS) With Solid Cud from Ruminant Stomach”. Journal of Biochemistry, Microbiology and Biotechnology 2, no. 1 (July 31, 2014): 23–26. Accessed May 11, 2026. https://journal2.hibiscuspublisher.com/index.php/JOBIMB/article/view/125.