SYAHZA, Almasdi; ROSNITA, Rosnita; SUWONDO, Suwondo; NASRUL, Besri. Potential Oil Palm Industry Development in Riau. International Research Journal of Business Studies, Jakarta, Indonesia, v. 6, n. 2, p. 133–147, 2013. DOI: 10.21632/irjbs.6.2.133-147. Disponível em: https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/782. Acesso em: 4 dec. 2025.