TY  - BOOK
AU  - PILLAI , R.S.N .
AU  - PILLAI , R.S.N .,
AU  - BHAGAVATHI , V .
TI  - STATISTICS 
U1  - 330.021 PIL 
PY  - 1986///
CY  - NEW DELHI
PB  - S.CHAND & COMPANY
KW  - Statistical Economics
ER  -