@book{book21a3b617,
title   = {Proposta curricular para o ensino de matematica - primeiro grau},
author = {Miguel, A and Toledo, M B A and Magnusson Junior, M and Machado, Nílson José and Pavanello, R M and Barbosa, R. and Pietropaolo, R C and Candido, S L and Santos, V M},
year = {1988},
publisher = {Cenp}
}