PT Journal
AU Kovacsova, A
   Treckova, E
   Vitova, J
SO e-Pedagogium
PY 2011
BP 50
EP 61
VL 11
IS 4
DI 10.5507/epd.2011.049
DE Child with visual impairment; child in preschool age; pre-mathematical imaginations; arithmetic; geometry
ER