Ball,M. A <br/><br/>
Mathematics in the social and life sciences : theories, models and methods 

 - Ellis Horwood Limited, Chichester  1985 
 - 296p 
<br/><br/><label>ISBN: </label>0-85312-486-8 
<br/><br/><label>Dewey Class. No.: </label>300.15 Bal