000 00305nam a2200121Ia 4500
005 20240829145014.0
008 240829s9999 xx 000 0 und d
041 _aeng
100 _aPathak, r.p.
245 _aMethodology of educational research
260 _aNew Delhi
_bAtlantic pub.
_c2021
300 _a187
999 _c58949
_d58949