Influence Price, Production Rubber and Income on The Level of Welfare of Rubber Farmers in The Village Ranto Jior District River Right Regency Port Rock South. Jurnal Manajemen Bisnis, [S. l.], v. 11, n. 2, p. 1291–1305, 2024. DOI: 10.33096/jmb.v11i2.899. Disponível em: https://jurnal.fe.umi.ac.id/index.php/JMB/article/view/899. Acesso em: 27 aug. 2025.