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MELCHIORY GULTOM, Richo. PENGARUH PRODUKTIVITAS LAHAN DAN NILAI TAMBAH TERHADAP DAYA SAING KOMODITAS MINYAK KELAPA SAWIT INDONESIA. Jurnal Ekonomi Pembangunan, [S. l.], v. 10, n. 2, p. 91–103, 2012. DOI: 10.29259/jep.v10i2.4903. Disponível em: https://jep.ejournal.unsri.ac.id/index.php/jep/article/view/4903. Acesso em: 28 mar. 2025.