TY  - BOOK
AU  - Gray,Joana
AU  - Henderson, Susan.
TI  - Discovering english: teacher's book 
SN  - 0304310263
AV  - PE1128  .G83 1983
PY  - 1983///
CY  - London
PB  - Cassell
KW  - English language
KW  - Textbooks for foreign speakers
ER  -