Pastawan, V., E. Baliarti, H. Maulana, and N. A. Fitriyanto. “Physical and Chemical Quality of Cow Feces Organic Fertilizer Produced by the Addition of Different Starters”. Jurnal Sain Peternakan Indonesia, vol. 18, no. 1, Mar. 2023, pp. 1-7, doi:10.31186/jspi.id.18.1.1-7.