000			00422nam a2200169Ia 4500
005			20250829153335.0
020			_a0023692405
082			_a001.43 _bLEP
100			_aLeedy, Paul D. _96734
245			_aPractical research _b: planning and design
260			_aNew York: _bMacmillan, _c1974.
300			_a246p.
500			_aIncludes index
546			_aeng
650			_aEducational research-Technique _96735
942			_cBK
999			_c9350 _d9350