519.
BHA

BB1068

Bhattacharya,D. Statistics : theory and practice / by D.Bhattacharya and S.Roychowdhury. - 3rd ed.. - Kolkata : U.N.Dhar, 2010 (rpr2017)
564p. : Includes index 9789380673028 Rs 220/- * STATISTICS * * * Title