TY  - BOOK
AU  - Leedham, J. and Romiszowski, A. J.
TI  - Videocassettes in education and training
SN  - 0850383706
U1  - 371.3 
PY  - 1977///
CY  - London
PB  - Kogan Page
KW  - Education
KW  - Methods of instruction
ER  -