Mathematical Applications For Management,Life,and Social Sciences/  English. 
Ronald J.Harshbarger, James J.Reynolds 
 - 3rd Ed. 
 - Toronto:  D.C.Herath and Company,  1989. 
 - xiv,746p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>0669162639 
<br/><br/><label>Dewey Class. No.: </label>51:65.01  / Har