TY  - BOOK
AU  - Douglas,  H Brown.
TI  - Teaching by principles: an interactive approach to language pedagogy
SN  - 139780136127116
U1  - 418.0071 BRO 
PY  - 2007///
CY  - 10 Bank street, White Plains
PB  - Pearson Longman
N1  - includes bibliographical references and index
ER  -