HERIYANTO, H.; ASROL, A.; KARYA, D.; NINGSIH, V. Y. Analisis Faktor Produksi Kalapa Sawit Rakyat Menurut Tipologi Lahan di Kabupaten Indragiri Hilir Provinsi Riau. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, [S. l.], v. 7, n. 1, p. 14–25, 2019. DOI: 10.33230/JLSO.7.1.2018.366. Disponível em: https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/366. Acesso em: 23 nov. 2024.