000			00488nam a2200169Ia 4500
008			160601s9999 xx 000 0 und d
020			_a155129805
100			_aTuckman, Bruce W _927234
245			_aConducting educational research
260			_aNew York
260			_bHarcourt Brace Jovanovich, inc.
260			_c1972
300			_axiii, 402 p.; 25cm.
650			_aEducation - research _94398
650			_aEducational research _94585
650			_aResearch process - education _927235
999			_c9032 _d9032