Purba, J., Napitupulu, D. ., & Damayanti, Y. . (2019). COMPARATIVE ANALYSIS OF PADDY AND OIL PALM FARM INCOME IN TANJUNG JABUNG TIMUR REGENCY. Jurnal Manajemen Dan Agribisnis, 16(3), 194. https://doi.org/10.17358/jma.16.3.194