@inproceedings{ Carulla-_GÓMEZ:224-224,
author = { Cristina Carulla- and PEDRO GÓMEZ GUZMÁN } ,
title = { GRAPHIC CALCULATORS AND PROBLEM SOLVING. DO THEY HELP? },
booktitle = { CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCA (21.1997.LATHI, FINLAND) },
year = { 1997 },
pages = { 224 - 224 },
location = { LATHI, FINLAND },
}