TY  - BOOK
AU  -  Ellington,Henry
TI  -  Producing teaching materials : :  a handbook for teachers and traine rs / 
SN  -  0893972126 (U.S. : pbk.) : 
U1  -  371.3 
PY  - 1985///
CY  -  London : 
PB  -  Kogan Page, 
KW  -  Audio-visual materials
KW  -  Instructional systems
KW  -  Planning
N1  -  Includes bibliographical references and index
ER  -