Campos, Sandro Xavier, Universidade Estadual de Ponta Grossa (UEPG), Ponta Grossa, PR, Brasil Departamento de Métodos e Técnicas de Ensino, Brazil

• Ambiente e Agua - An Interdisciplinary Journal of Applied Science Vol. 12 No. 5 (2017) - Papers
  Comparative characterization of humic substances extracted from freshwater and peat of different apparent molecular sizes
  Abstract  PDF  PDF (Español (España))  PDF (Português (Brasil))