TY  - JOUR
AU  - G. Kospentaris
AU  - P. Spyrou 
TI  - The Effects of High School Geometry Instruction on the Performance in Spatial Tasks
JO  - Journal for geometry and graphics
PY  - 2010
SP  - 227
EP  - 244
VL  - 14
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2010_14_2_JGG_2010_14_2_a8/
ID  - JGG_2010_14_2_JGG_2010_14_2_a8
ER  -