“The Competitiveness of Beef Cattle Business on Various Agro-Ecological Zones in Tegal Regency”. Animal Production: Indonesian Journal of Animal Production 19, no. 2 (February 12, 2018): 127–134. Accessed October 30, 2026. https://jap.fapet.unsoed.ac.id/index.php/JAP/article/view/1604.