Mohamad YaniSHMASS dan. MODIFICATION OF HAYAMI’S VALUE ADDED METHOD FOR THE PALM OIL AGROINDUSTRY SUPPLY CHAIN. J.Tek.Ind.Pert. [Internet]. 1 [cited 2024May5];22(1). Available from: https://jurnal.ipb.ac.id/index.php/jurnaltin/article/view/5593