SANTOSA, Y.; PERDANA, A. Y.; SOPIYANDI, S.; YOHANNA, Y. Bird Diversity in Smallholders Oil Palm Plantation in Riau Province. International Journal of Oil Palm, [S. l.], v. 1, n. 1, p. 28–37, 2018. DOI: 10.35876/ijop.v1i1.4. Disponível em: http://ijop.id/index.php/ijop/article/view/4. Acesso em: 3 may. 2024.