“EFFICIENCY ANALYSIS OF PALM KERNEL OIL AS A RAW MATERIAL IN IMPROVING SUPPLY CHAIN PERFORMANCE: CASE STUDY AT PT XYZ”. Jurnal AGRISEP: Kajian Masalah Sosial Ekonomi Pertanian Dan Agribisnis, vol. 22, no. 02, Sept. 2023, pp. 427-46, doi:10.31186/jagrisep.22.02.427-446.