Nuraini, E., W. Warnoto, and U. Santoso. “Pengaruh Level Protein Dan Level Suplementasi Ekstrak Daun Katuk (Sauropus Androgynus) Terhadap Performa Broiler”. Jurnal Sain Peternakan Indonesia, vol. 9, no. 1, June 2014, pp. 10-18, https://ejournal.unib.ac.id/jspi/article/view/335.