Hervani, A., and M. Ariani. “Emisi Metana Dari Pengelolaan Kotoran Ternak Di Yogyakarta – Inventarisasi”. Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) 21, no. 3 (October 4, 2019): 319–326. Accessed April 6, 2026. https://jpi.faterna.unand.ac.id/index.php/jpi/article/view/459.