Dubicka, Iwonna <br/><br/>
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Iwonna Dubicka and Margaret O'Keeffe. 
 - 1th ed. 
 - Harlow:  Pearson Education Limited,  2008. 
 - 143 p.;  27 cm. 
<br/><br/><label>ISBN: </label>9781405881067 
<br/><br/><label>Dewey Class. No.: </label>428 DUB