Zainuddin, Zainuddin, Mursalim Mursalim, and Abdul Waris. “Analisis Ekonomi Penggunaan Combine Harvester Tipe Crown CCH 2000 Star”. Jurnal Agritechno 9, no. 1 (August 3, 2018): 36-43. Accessed August 9, 2022. http://agritech.unhas.ac.id/ojs/index.php/at/article/view/37.