Mortimer, Mary,  1944- <br/><br/>
Learn Dewey decimal classification (edition 21) / 
Mary Mortimer 
 - Canberra :  DocMatrix,  c1997 
 - 130 p. ;  30cm. 
 - Library education series .
<br/><br/> Reprinted with corrections 1998 
<br/><br/><label>ISBN: </label>9748279618 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cataloguing--Problems, exercices, etc.<br/>Classification, Dewey decimal--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>025.431076  / MOR