MARAIS, Anélia; KOTZÉ, Elmarie; LABUSCHAGNE, Johan; VISSER, Lientjie; MORRIS, Craig D. Proposed adaptation of the KMnO4 oxidation method for determining active carbon for South African soils. South African Journal of Science, [S. l.], v. 116, n. 1/2, 2020. DOI: 10.17159/sajs.2020/6443. Disponível em: https://sajs.co.za/article/view/6443. Acesso em: 21 apr. 2024.