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3
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Sampling theory / Des Raj.
- 519.52 R1612 1968
- Raj, Des,
- TATA McGraw-Hill,
- [1968] ©1968
- Bombay :
-
The design of sample surveys / Des Raj.
- 001.433 R1612
- Raj, Des,
- McGraw-Hill Book Company,
- New York :
-
Sampling theory / Des Raj.
- 519.52 R1612
- Raj, Des,
- McGraw-Hill Book Company,
- New York :