Prabowo, P.K. 2026. Determinants and Cost Efficiency of Leasing and Purchasing Decisions for Heavy Equipment in the Palm Oil Industry. Jurnal Ilmiah Manajemen Kesatuan. 14, 2 (Mar. 2026), 1981–1990. DOI:https://doi.org/10.37641/jimkes.v14i2.5026.