TY  - BOOK
AU  - Sarker, Md. Monirul Islam
TI  - Challenger Guide to: Diploma in Engineering Curriculum S.S. 122: English-1 (All Technology) 
U1  - 425 23
PY  - 2001///
CY  - Dhaka
PB  - Challenger Guide House
KW  - English Grammar
ER  -