BAŞ ADER S., DİDİŞ KABAR M. G., ERBAŞ A. K., ÇETİNKAYA B., ÇAKIROĞLU E., ALACACI C.
Eigth congress of the European Society of Research in Mathematics Education (CERME 8), 6 - 10 February 2013, pp.2936-2945, (Full Text)