Hancock, Alan, fl. 1965- <br/><br/>
Planning for educational mass media 
/ Alan Hancock 
 - London  Longman  1977 
 - viii, 383 p. : ill. ; 22 cm. 
<br/><br/>Bibliography: p. 363-373. 
<br/><br/><label>ISBN: </label>058241055X 
<br/><br/><label>LCCN: </label>76-022496 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio--visual education<br/>Mass media