UTARI, Sri rahmi. Farmer for plantation palms in sub district Peranap, District Indragiri Hulu, Riau Province. ISTORIA : Jurnal Pendidikan dan Ilmu Sejarah, [S. l.], v. 17, n. 1, 2021. DOI: 10.21831/istoria.v17i1.38186. Disponível em: https://journal.uny.ac.id/index.php/istoria/article/view/38186. Acesso em: 24 jun. 2025.