000 00271nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a037
_bLOK
100 _aLOKESH KOUL
245 0 _aMethodology of educational research
260 _aNew Delhi
_bVikas
_c1984
942 _cBK
999 _c37775
_d37775