TY  - BOOK
AU  - Lewis,Roger
TI  - How to find and adapt materials and select media: 
SN  - 0861841549
U1  - 371.312   22
PY  - 1986///
CY  - London : 
PB  - Council for Educational Technology, 
KW  - Text-books
KW  - Authorship
KW  - Distance education
ER  -