Perry Donald L <br/><br/>
Social marketing strategies   Conservation issues a    

 - California  Good Year           1976 
 - ix,230p. Bib chapterwise  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations  Research Economics
<br/><br/><label>Dewey Class. No.: </label>X:(G:52), L6