Ogden, Harry <br/><br/>
Workshop numeracy / 
Harry Ogden 
 - xi, 141 pages :   illustrations, 1 plan 
<br/><br/> With answers.<br/>Includes index. 
<br/><br/><label>ISBN: </label>027302437X 
<br/><br/><label>Subjects--Topical Terms: </label>--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>TA332 OGD