TY  - BOOK
AU  - 
TI  - Systems development in adult language learning / J.L.M. Trim and R. Richterich
SN  - 0080245862
U1  - 407.104 
PY  - 1980///
CY  - Londres: 
PB  - Pergamon Press, 
KW  - IDIOMA INGLÉS
N1  - 1. Draft outline of a European unit/credit system for modern language learning by adults.-- 2. Analytical classification of the categories of adult needing to learn foreign languages .-- 3. The  threshould level" in a unit/credit system.-- 4. The linguistic and situational content of the common core in a unit/credit system."; Also issued online
ER  -