TY  - BOOK
AU  - Dickinson,Leslie
TI  - Self-instruction in language learning: (New directions in language teaching) 
SN  - 0521266009
PY  - 1987///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Language and languages
KW  - Programmed instruction
N1  - Bibliogr.: p.190-195
ER  -