TY  - BOOK
AU  - Jack C. Richards
AU  - Richards,Jack C.
TI  - Understanding second & foreign language learning: issues & approaches 
SN  - 0883771241
AV  - P51.U54 1978 
PY  - 1978///
CY  - Rowley, Mass.
PB  - Newbury House Publishers
KW  - Language and languages
KW  - Study and teaching
N1  - Includes bibliographies
ER  -