@inbook{01288cf6027845778bcf0bfe79ee5574,
title = "Different instruc-tional approaches of the {\textquoteleft}fractions{\textquoteright} at the 7th grade with the use of educational software: Sketchpad, Microworlds Pro και Table Top",
author = "S. Ioannou and Irene Biza and I. Kontakidis and A. Harharidou and N. Dapontes",
year = "2002",
language = "English",
volume = "2",
pages = "588--591",
editor = "A. Dimitrakopoulou",
booktitle = "Proceedings of the 3th Pan-Hellenic Conference (with international participation) of Hellenic Society for ICT in Education",
}