TY  - BOOK
AU  - Hanson,John
TI  - The use of resources
T2  - Teaching today
SN  - 0043710271
U1  - 371.3 
PY  - 1975///
CY  - London
PB  - George Allen and Unwin
KW  - Audio-visual education
KW  - Instructional materials centers
KW  - Teaching
KW  - Aids and devices
N1  - Includes bibliographical references and index
ER  -