Telaumbanua, Mareli, Dermiyati Dermiyati, and Radix Suharjo. “RANCANG BANGUN SISTEM PENGADUK DAN PEMBUAT PUPUK CAIR LIMBAH KELAPA SAWIT DAN NANAS OTOMATIS DENGAN METODE AEROB, SEMI AEROB, ANAEROB”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 8, no. 4 (October 18, 2019): 234–242. Accessed February 13, 2026. http://jurnal.fp.unila.ac.id/index.php/JTP/article/view/2900.