“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) 8, no. 2 (October 2, 2023): 421–435. Accessed January 31, 2026. https://ejournal.unisbablitar.ac.id/index.php/josar/article/view/3141.