SUROTO, K. S.; MURTI, A. T. Analisis Profitabilitas Peternak Sapi Perah Di Kabupaten Malang . Tarjih Tropical Livestock Journal, [S. l.], v. 4, n. 2, p. 115–125, 2024. DOI: 10.47030/trolija.v4i2.848. Disponível em: https://mail.jurnal-umsi.ac.id/tropical/article/view/848. Acesso em: 10 may. 2026.