TY  - BOOK
AU  - Ek,Jan Ate van
AU  - Alexander,L.G.
ED  - Council of Europe.
TI  - Threshold level English: in a European unit/credit system for modern language learning by adults 
T2  - Pergamon Institute of English (Oxford)
SN  - 0080245889
AV  - PE1128.A2 E44 1980
PY  - 1980///
CY  - Oxford, New York
PB  - published for and on behalf of the Council of Europe by Pergamon Press
KW  - Inglés
KW  - Libros de texto para extranjeros
KW  - lemb
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
KW  - Europe
KW  - Adult education
N1  - Incluye referencias bibliográficas (p. 253)
ER  -