TY  - BOOK
AU  - C. B Gupta
AU  -  V. Ratna, 
TI  - Statistical calculations
U1  - 519.5 
PY  - 1964///
CY  - Delhi
PB  - Vikas Publishing House Pvt Ltd
N1  - C. B Gupta & V. Ratna: Statistical calculations.  Delhi.  Vikas Publishing House Pvt Ltd, 1964.--(519.5GUP)
ER  -