@inproceedings{ LUPIÁÑEZ:153-160,

author = { JOSÉ LUIS LUPIÁÑEZ GÓMEZ } ,

title = { DIDACTICAL REFLECTIONS ON PROPORTIONALITY IN THE CABRI ENVIRONMENT BASED ON A PREVIOUS EXPERIENCE WITH BASIC EDUCATION STUDENTS },

booktitle = { ANNUAL CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCATION (26.2002.NORWICH, INGLATERRA) },

year = { 2002 },

pages = { 153 - 160 },

location = { NORWICH, INGLATERRA },

}