TY - CONF TI - Fractals and school mathematics AU - Sereno, Fernando PY - 1993 SP - 35-44 PB - Εκπαιδευτήρια Δούκας T2 - Logo-like learning environments:reflection and prospects. proceedings of the fourth European Logo Conference, University of Athens, Department of Informatics, 28-31 August 1993, Athens Greece ER -