Clarke, Peter, ed Kline, Gerald F, ed Schramm, Wilbur <br/><br/>
Big media little media  tools and technologies for instruction 

 - Beverly hills  Sage publishers inc.  1977 
 - 315 p.; 20cm. 
 - People and communications .
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>803907400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education technology<br/>Instructional media<br/>Media programs<br/>Non formal education<br/>Radio - tv - photographs - Slides - Films - computers