TY  - BOOK
AU  - Tejero, Erlinda Galero
TI  - Doorways to English language proficiency : : a self - improvement program 
SN  - 971-086-921-3
AV  - 418 T23d 2010 
PY  - 2008///
CY  - Mandaluyong City
PB  - National Book Store
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Spoken English
ER  -