Priyati, Asih, Ansar Ansar, and Sirajuddin Haji Abdullah. 2015. “Karakteristik Dan Simulasi Sistem Kontrol Hidrolik Pada Proses Pengepresan Biji Jaraks Kepyar (Ricinus Communis L.): Characteristic and Simulation of Hydraulic Control System OnCastor Beans (Ricinus Communis L.) Press Processing”. Jurnal Ilmiah Rekayasa Pertanian Dan Biosistem 3 (2):164-69. https://jrpb.unram.ac.id/index.php/jrpb/article/view/27.