TY  - BOOK
AU  - Ellington,Henry.
AU  - Race,Phil.
TI  - Producing teaching materials: a handbook for teachers and trainers. 
SN  - 0749403934
AV  - LB 1043 .E45 1993 
PY  - 1993///
CY  - NJ
PB  - Nichols/GP
KW  - audio-visual materials
KW  - instructional system
ER  -