Eitemau Tebyg: Concise encyclopedia of psychology /
Pwnc: Psychology
Pwnc: Encyclopedias.
- Encyclopedia of the solar system /
- Concise encyclopedia of psychology /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -6 /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -7 /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -8 /
- Banglapedia : National Encyclopedia of Bangladesh-Volume -9 /