Research methods in Psychology
Shaughnessy, John J.
Research methods in Psychology - New Yok [et al.] McGraw-Hill, Inc. 1990 - 522 s. rys., tab., wyk. 24 cm
0070728593
Research methods in Psychology - New Yok [et al.] McGraw-Hill, Inc. 1990 - 522 s. rys., tab., wyk. 24 cm
0070728593