Jafri, Muhamad. “EVALUATION OF FIELD ELIGIBILITY AND EFFICIENCY OF A SINGLE COMPRESSION 3”HYDRAULIC-RAMP-PUMP”. SAINSTEK 4, no. 1 (December 15, 2019): 306–311. Accessed November 22, 2025. https://conference.undana.ac.id/sainstek/article/view/56.