TY  - BOOK
AU  - Gass, Susan .M
TI  - Second Language Acquisition An Introductory Course
U1  - 410 
PY  - 2009///
CY  - Saudi
PB  - King saud university
KW  - Arabic Linguistic Studies
KW  - دراسات لغوية عربية
N1  - includes index
ER  -