MUHAMMAD IQBAL; MITRA MUSIKA LUBIS. Analysis of the People’s Rubber Marketing System in Mandailing Natal: Review of Distribution Channels, Margins, and Efficiency. International Journal of Health, Economics, and Social Sciences (IJHESS), [S. l.], v. 7, n. 3, p. 1566~1570, 2025. DOI: 10.56338/ijhess.v7i3.8329. Disponível em: https://jurnal.unismuhpalu.ac.id/index.php/IJHESS/article/view/8329. Acesso em: 2 oct. 2026.