000 00452nam a2200157Ia 4500
008 131111s9999 xx 000 0 und d
100 _aRuhela,S P
245 _aJoyful learning:its foundations and implementations:in the context of universalization of elementry education
260 _aNew Delhi
260 _bRegency
260 _c1997
300 _aix;251p.
650 _aEducation
_aElementary education
700 _aKhan,R S
763 _a35878
999 _c51495
_d51495