“Correlation of Sex, Age and Carcass Weight of Simmental-PO Cattle in the Slaughterhouse, Sukorejo District, Blitar City, East Java”. JOSAR (Journal of Students Academic Research), vol. 8, no. 2, Oct. 2023, pp. 421-35, https://doi.org/10.35457/josar.v8i2.3141.