000			00428nam a22001697a 4500
999			_c570 _d570
003			OSt
005			20240801165735.0
008			180924b xxu||||| |||| 00| 0 eng d
020			_a817063170X
082			_223 _a370.7 _bAGG
100			_aAggarwal,J.C.
245			_aEducational Research: _bAn Introduction.
250			_a5th rev. Ed.
260			_aNew Delhi: _bArya Book Depot, _c2002.
300			_a375p. _c23 cm.
942			_2ddc _cBK