Amalia, D. N. (2023) “THE IMPACT OF IMPLEMENTING ISPO (INDONESIAN SUSTAINABLE PALM OIL) POLICY ON INCREASING THE INCOME OF INDEPENDENT OIL PALM FARMERS ”, Jurnal Ilmiah Sosio-Ekonomika Bisnis, 26(02), pp. 15–26. doi: 10.22437/jiseb.v26i02.27004.