@inproceedings{inproceedingsecce8122,
title   = {Chemistry teachers conceptions' about planning and content selection by using cognitive maps},
author = {Andrade, Marcela Gaeta de and Fernandez, Carmen},
year = {2006},
publisher = {Estudios Universitarios La Salle},
booktitle   = {Encuentro Internacional sobre el Aprendizaje Siginificativo}
}