Eitemau Tebyg: Geography of Bangladesh /
Pwnc: Bangladesh.
- 2006 statistical yearbook of bangladesh /
- Surrender at dacca : birth of a nation /
- Energy Resources of Bangladesh : Natural Gas Oil Coal /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -6 /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -7 /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -8 /