Dwatmadji, Purnomoadi, A., Suteky, T., and Sipriyadi. “Phytogenic feed additives for improving feed efficiency and lowering ruminants’ enteric methane emission on palm oil sludge feed: in vitro study”. International Journal of Agricultural Technology 22, no. 4 (July 15, 2026): 1687–1702. accessed September 15, 2026. https://li04.tci-thaijo.org/index.php/IJAT/article/view/12518.