TY  - BOOK
AU  - Lado,Robert
TI  - Language teaching: a scientific approach
SN  - 0070357404 
U1  - 407/L156L 
PY  - 1964///
CY  - N.Y.; San Francisco
PB  - McGraw-Hill, Inc.
KW  - Language and languages
KW  - study and teaching
N1  - Appendix and index at the end
ER  -