000 00281nam a2200109Ia 4500
365 _bRs . 10.00
942 _cBK
654 _a
245 _aEducational Studies and Invetigations
260 _aDelhi
_bNational Council for Educational Research and Training
_c1962
082 _a370.78
999 _c376117
_d376117
041 _aeng