OWONUBI, A. Pedogenic Forms of Iron in Soils Developed from Four Parent Materials. JOURNAL OF TROPICAL SOILS, [S. l.], v. 25, n. 1, p. 47–52, 2020. DOI: 10.5400/jts.2020.v25i1.47-52. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/357. Acesso em: 27 jul. 2025.