Martono. “PERANCANGAN PROTOTYPE SISTEM PENYEWAAN TANGKI TIMBUN (STORAGE TANK) CRUDE PLAM OIL (CPO) DAN PALM KERNEL OIL (PKO)”. Jurnal PROCESSOR 15, no. 2 (October 15, 2020): 145–156. Accessed July 3, 2024. https://ejournal.unama.ac.id/index.php/processor/article/view/479.