AMALIA, Dwi Nurul. THE IMPACT OF IMPLEMENTING ISPO (INDONESIAN SUSTAINABLE PALM OIL) POLICY ON INCREASING THE INCOME OF INDEPENDENT OIL PALM FARMERS . Jurnal Ilmiah Sosio-Ekonomika Bisnis, [S. l.], v. 26, n. 02, p. 15–26, 2023. DOI: 10.22437/jiseb.v26i02.27004. Disponível em: https://www.online-journal.unja.ac.id/jseb/article/view/27004. Acesso em: 9 may. 2026.