Purba, J. et al. 2019. COMPARATIVE ANALYSIS OF PADDY AND OIL PALM FARM INCOME IN TANJUNG JABUNG TIMUR REGENCY. Jurnal Manajemen dan Agribisnis. 16, 3 (Nov. 2019), 194. DOI:https://doi.org/10.17358/jma.16.3.194.