Natália Maria Cordeiro Barroso; José Marques Soares; João Cesar Moura Mota; Hermínio Borges Neto(UNESP - Campus de Rio Claro - Instituto de Geociências e Ciências Exatas, )
Maria Cristina de Senzi Zancul; Rosa Fátima de Souza(Education Departament and Post-Graduation Program in Education of Biosciences Institute of São Paulo State University, )