000 00399nam a2200109Ia 4500
008 171204s9999 xx 000 0 und d
245 4 _aThe Second Handbook of Research on the Psychology of Mathematics Education: The Journey Continues
245 _cAngel Gutierrez and Gilah C Leder
260 _c2016
650 _xADVANCED RESEARCH METHODS 1
856 _uhttp://down.ebook777.com/050/9463005595.pdf
999 _c346896
_d346896