Library classification: by
Purushotham Tiwari.
- London, APH pub. 2011.
- v. 34 cm.
678-81-313-0511-9
65069998
Classification--School of Pure and Applied Sciences
Z696 / .L65
678-81-313-0511-9
65069998
Classification--School of Pure and Applied Sciences
Z696 / .L65