TY  - BOOK
AU  - Sheldon,Leslie E.
ED  - British Council.
ED  - English Teaching Information Centre.
TI  - ELT textbooks and materials: problems in evaluation and development 
SN  - 0906149967 (pbk.)
PY  - 1987///
CY  - Oxford, UK, New York
PB  - Published in association with the British Council by Pergamon Press
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
ER  -