00424nam a2200121Ia 450000500170000000800410001708200230005810000650008124500750014626000540022130000110027565000160028620240821160502.0240821s9999||||xx |||||||||||||| ||und||  a519.50723 IND(R-R)  aIndia, Ministry of Statistics and Programme Implementation,  0aDirectory of sample surveys in India - fifty fifth annual report, 2004  aNew DelhibCentral Statistical Organisationc2004  av,44p.  aMathematics