TY  - BOOK
AU  - Lado,Robert, x
AU  - x
TI  - Language  teaching: A  scientific  approach
SN  - x
U1  - 407/LAL 
PY  - 1964///
CY  - Bombay
PB  - Mc Graw-Hill
KW  - Language  and  Language
KW  - Language., Modern-  Study  and   teaching
ER  -