Pergamon <br/><br/>
Workshop mathematics :  multiplication and division of fractions / 
Pergamon 
 - Vol. 3 
 - London :  Pergamon Press,  1967 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / PER