Complementing different software environments to mediate the introduction of variable, parameter and unknown. - Giuliana Dettori; Simonetta Greco; Enrica Lemut (Secondary School Mathematics in the World of Communication Technology, 1997)

Information technology and problem solving in mathematics education. - Giuliana Dettori; Simonetta Greco; Enrica Lemut (Capacity Building for IT in Education in Developing Countries, 1997)