Sumardjo, ., Sutisna Riyanto, Amiruddin Saleh, . Dahri, and Adi Firmansyah. 2015. “Tipologi Konflik Berbasis Sumber Daya Pangan Di Wilayah Perkebunan Sawit”. Jurnal Ilmu Pertanian Indonesia 19 (3), 189-96. https://jma.journal.ipb.ac.id/index.php/JIPI/article/view/9156.