“Alat Pemeras Lendir (Depulper) dan Pengering Biji Kakao Berbasis Programmable Logic Controller (PLC)”. Jurnal ELEMENTER (Elektro dan Mesin Terapan) 6, no. 2 (November 30, 2020): 19–31. Diakses Juli 11, 2026. https://jurnal.pcr.ac.id/index.php/elementer/article/view/4431.