“Methane Gas Production In Buffalo Rumen Fluid Containing Citronella Residue (Cymbopogon Nardus L.) by In Vitro Method”. Al-Kauniyah: Jurnal Biologi 18, no. 2 (April 28, 2025): 389–398. Accessed January 21, 2026. https://journal.uinjkt.ac.id/kauniyah/article/view/40935.