Ernah, E., Sandrawati, A., Fadillah, M., Rengganis, D. and Sudarjat, S. (2020) “FARMER PERCEPTION TO ISPO IN OIL PALM PLANTATION IN WEST JAVA”, AGROLAND The Agricultural Sciences Journal (e-Journal), 6(1), pp. 49 - 59. doi: 10.22487/agroland.v6i1.87.