000			00446nam a2200157Ia 4500
008			231019s9999 xx 000 0 und d
082			_a300.721 _bCRE -R
100			_aCreswell,John.W
245		0	_aResearch Design/ _cJohn W. Creswell
250			_a3rd ed.
260			_aUSA; _bSage Publications; _c2020.
300			_axxix, 260p.: _bill; _c25 cm.
500			_aInclude Subject Index.
650			_aSocial Science/Research Design
999			_c34602 _d34602