@inproceedings{ GÓMEZ_Fernández-:1-8,
author = { PEDRO GÓMEZ GUZMÁN and Felipe Fernández- } ,
title = { GRAPHICS CALCULATORS USE IN PRECALCULUS AND ACHIEVEMENT IN CALCULUS },
booktitle = { CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCA (21.1997.LATHI, FINLAND) },
year = { 1997 },
pages = { 1 - 8 },
location = { LATHI, FINLAND },
}