CHANDA, M.; JHA, S.; MUKHOPADHYAY, D.; PANDEY, M. Characterization of Humic Acid and Fulvic Acid Extracted from Soil Samples of Cultivated Areas of North Bengal and Sikkim States, India. Asian Journal of Chemistry, [S. l.], v. 33, n. 1, p. 62–66, 2020. DOI: 10.14233/ajchem.2021.22931. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/33_1_12. Acesso em: 2 may. 2024.