000 00306nam a2200121Ia 4500
008 221229s9999 xx 000 0 und d
100 _aPathak, R.P.
245 0 _aMethodology of educational research
260 _aNew Delhi
_bAtlantic Publication
_c2008
300 _a187
650 _aEducation
942 _cBK
999 _c7555
_d7555