TY  - BOOK
AU  - Sebastian, E.L.
TI  - English proficiency instruction 1
SN  - 971-584-469-3
U1  - GC 420 S443 2006 
PY  - 2006///
CY  - Quezon Ave.
PB  - C & E Pub.
KW  - English
N1  - Includes bibliographical references
ER  -