Elwortthy Sheila <br/><br/>
Working papers for use with / 
Sheila F. Elworthy 
 - Toronto:  Nelson,  2011. 
 - iii,570 p,; 
<br/><br/><label>ISBN: </label>9780176478773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Papers
<br/><br/><label>LC Class. No.: </label>HF5635 .A236 2011.