Educational media yearbook 1981 / 
James W. Brown, editor Shirley N. Brown, associate editor 
 - Littleton, Colo. :  Libraries Unlimited,  1981 
 - 451 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology--Addresses, essays, lectures<br/>Instructional materials centers--Addresses, essays, lectures<br/>Instructional materials personnel--Addresses, essays,lectures