TY  - BOOK
AU  - 
AU  - Professor's board
TI  - BCS preli preparation book(46th)
U1  - R351.076/B962 
PY  - 0000///Career and skills Academy
PY  - 2023///
CY  - Dhaka
KW  - Civil service - guide
N1  - Includes index bibliog glossary
ER  -