TY  - BOOK
TI  - Planning and operating media centers
T2  - Readings from Audiovisual instruction
AV  - LB3044 .P56
U1  - 371.3/078 
PY  - 1975///
CY  - Washington
PB  - Association for Educational Communications and Technology
KW  - Instructional materials centers
KW  - Local
N1  - Includes bibliographical references
ER  -