Banks, J. Houston <br/><br/>
Learning and teaching arithmetic 
<label>/ by </label> Banks, J. Houston 
 - Boston  Allyn and Bacon  1961 
 - ix,405p.  ill.  23 cm. 
<br/><br/>L 
<br/><br/><label>Dewey Class. No.: </label>510.7  / B