@book{9945, author = {Perera, Nelson.}, title = {Data analysis with SPSS : [version 11] /}, publisher = {Pearson SprintPrint,}, year = {2004.}, address = {French's Forest, N.S.W. :.}, note = {Includes bibliographical references (p. 97).}, url = {https://uowd.box.com/s/iz687qqqt8tvuls9tns2zzn54cm4o8us} }