Martauli, E.D., Karo, S.B., Sembiring, S. and Sembiring, R. 2022. Analysis Of Cattle Livestock Development Potential In North Sumatra Province. JURNAL ILMIAH PETERNAKAN TERPADU. 10, 2 (Aug. 2022), 193–208. DOI:https://doi.org/10.23960/jipt.v10i2.p193-208.