GAO, Hong-Wen. Primary-Secondary Wavelengths Spectrophotometric Determination of Manganese in Environmental Water. Asian Journal of Chemistry, [S. l.], v. 11, n. 4, p. 1365–1368, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/23496. Acesso em: 5 nov. 2024.