TOBING, E. B. H. L.; NASUTION, A. R. An Obligation To Manage Community Plantation (Plasma Plantation) From 20% Of The Plantation Company’s Land Area. Jurnal Ekonomi, [S. l.], v. 11, n. 03, p. 1665–1672, 2022. Disponível em: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/956. Acesso em: 14 jun. 2026.