TY  - JOUR
AU  - G. Maresch 
TI  - How to Develop Spatial Ability? Factors, Strategies, and Gender Specific Findings
JO  - Journal for geometry and graphics
PY  - 2015
SP  - 133
EP  - 157
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2015_19_1_JGG_2015_19_1_a9/
ID  - JGG_2015_19_1_JGG_2015_19_1_a9
ER  -