000			00347nam a2200133Ia 4500
005			20260205041930.0
008			260111s9999||||xx |||||||||||||| ||und||
100			_aRUMMEL J F
245		0	_aINTRODUCTION TO RESEARCH PROCEDURE IN EDUCATION
260			_aN.Y. _bHARPER _c1958
300			_a413
690			_aEDUCATION-STUDY;AND;TEACHING
942			_cBK
999			_c23887 _d23887