Silva, Gianluigi, Septi Nurul Aini, Henrie Buchari, and Abdul Kadir Salam. “The Phytoextraction of Copper from Tropical Soil 21 Years After Amendment With Heavy-Metal Containing Waste”. JOURNAL OF TROPICAL SOILS 26, no. 1 (January 8, 2021): 11–18. Accessed July 30, 2025. https://journal.unila.ac.id/index.php/tropicalsoil/article/view/407.