000 00268nam a2200109Ia 4500
100 _aMcGRATH, J. H.
942 _cBK
245 _aResearch Methods and Designs for Education
260 _aInternational textbook, Scranton
_c1970
082 _a370.78 McG
300 _aix, 222
999 _c1455
_d1455