SPSS X tables
McGraw-Hill , 1985
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Donatelle, Rebecca J.
Health: the basics
Allyn and Bacon , 1997
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Macionis, John J.
Society : the basics
Prentice-Hall, 2000
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Chandler, Daniel
Semiotics: the basics
Routledge, 2002
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Mcevoy, Sean
Shakespeare : the basics
Routledge, 2006
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