HAKIM, A. R.; TUTRIANTO, R. .; PERMANA, M. D. A. . Supervision of the Riau Province Plantation Service in Determining the Purchase Price of Fresh Fruit Bunches (FFB) in Siak Regency. Pasundan Social Science Development, [S. l.], v. 6, n. 1, p. 84–92, 2025. DOI: 10.56457/pascidev.v6i1.267. Disponível em: https://www.journal.pascasarjana-unpas.web.id/index.php/pascidev/article/view/267. Acesso em: 18 oct. 2026.