Knowledge and information social sciences  : a third level coruse peopel and organizations units 12-14 
Open University  
 - Milton Keynes:  Open University Press,  1974. 
 -  92p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0335015670 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>301  / OPK