Putra, Ebim Pradana, et al. “Analisis Kelayakan Usaha Ternak Kambing BK Jaya Farm Ngadirejo Kabupaten Nganjuk: Indonesia”. Journal of Science Nusantara, vol. 3, no. 2, July 2023, pp. 83-90, doi:10.28926/jsnu.v3i2.1081.