The threshold level in a European unit/credit system for modern language learning by adults

by J.A. van Ek ; with an appendix by L.G. Alexander
Bok · Engelsk · 1975 J. A. van Ek

Utgitt	Strasbourg : Council of Europe , 1975
Omfang	III, 235 s.
Opplysninger	Over tittelen: Systems development in adult language learning