Wahyuningsih, H., Sinaga, H., Hastuti, L. D. S., Fauzi, F., Apridamayanti, W., Nasution, S. A., Khairulsyah, W. dan Maulana, A. (2023) “Effect of Fermented Feed on Cattle Weight at Pondok Rawa Village, Deli Serdang Regency, North Sumatera”, Berkala Ilmiah Biologi, 14(2), hlm. 10-15. doi: 10.22146/bib.v14i2.6571.