00500nam a2200097Ia 4500008004100000050002100041100002800062245010300090247012200193264008700315230508s2012    xx            000 0 und d  aBF 76.5 G73 20121 aGravetter, Frederick J.10aUnderstanding research methods for the behavioral sciences, 2nd edition /cGravetter, Frederick J.  aUnderstanding research methods for the behavioral sciences, 2nd edition_BF 76.5 G73 2012_Gravetter, Frederick J._2012  a[Place of publication not identified] : bCengage Learning Asia Pte. Ltd., c2012.