Stoltenberg,H.Carl. <br/><br/>
Planning reseach for resource decisions. 

 - ed. 
 - U.S.A :  The lowa state university,  1970. 
 - 182  p. ;    cm. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>economics.