000 00290nam a2200121Ia 4500
100 _aMouly, George
942 _cTBK
654 _a
245 _aScience of educational research
260 _aNew Delhi
_bEurasia Publishing House (Pvt) Ltd.
_c1964
082 _a370.78
300 _bPb
_aP.515
999 _c387268
_d387268
041 _aeng