SIMARMATA, Marulam MT. Diversity of Vegetation in The Natural Forests of Londut Samosir Regency. Journal of Environmental and Agricultural Studies, [S. l.], v. 2, n. 2, p. 87–96, 2021. DOI: 10.32996/jeas.2021.2.2.8. Disponível em: https://al-kindipublishers.org/index.php/jeas/article/view/2513. Acesso em: 22 nov. 2025.