Gibson, B R; Mardell, T B J <br/><br/>
Basic mathematics for teachers, Book1 

 -  Universities of London Press Ltd., London 
 - 256 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Study & Teaching
<br/><br/><label>Dewey Class. No.: </label>510.7  GIB-B.1