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024 _a2,892
037 _cTextual
040 _aARTS
_cARTS
_beng
041 _2eng
_aeng
082 _ab48(T), K6
100 _aAggarwal J C.
_925034
245 0 _aEducational research
_b An Introduction
260 _aNew Delhi
_bArya Book Depot
_c1966
650 _aRESEARCH METHODS
942 _hb48(T), K6
_cTEXL
_2CC
999 _c145565
_d145565