TY  - BOOK
AU  - AKM.Walilul Islam, Saheem M. Mahmood 
AU  - AKM.Walilul Islam
TI  - Certificate in English Languge Prefidency CELP Comminication English  Two Book-5
U1  - 420./M215c 
PY  - 1995///
CY  - Dhaka
PB  - Bangladesh Opea University
ER  -