Strategies of inquiry / 
edited by Fred I Greenstein and Nelson W Polsby. 
 - London :  Addison wesley publishing,  1975. 
 - 458 p. 
<br/><br/> vol.7 handbook of political science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>strategies of enquiry
<br/><br/><label>Dewey Class. No.: </label>320.18  / GRE.S.7