Identification of methane-producing bacteria from palm oil mill sludge (POMS) with solid cud from ruminant stomach. J Biochem Microbiol Biotechnol [Internet]. 2014 Jul. 31 [cited 2026 May 11];2(1):23-6. Available from: https://journal2.hibiscuspublisher.com/index.php/JOBIMB/article/view/125