TY  - BOOK
AU  - Singh, Upendra K. 
TI  - Encyclopedoa biography of world great thinkers: Vol. 001 
SN  - 9788119343683 (hbk.)
U1  - 922.03 23
PY  - 2025///
CY  - Jaipur ; , New Delhi
PB  - ABD Publishers, 
ER  -