00500nam a22001937a 4500 20904 20904 OSt 190305b ||||| |||| 00| 0 eng d 8120409221 330.1543 M26I Madnani, G. M. K. Introduction to Econometrics : principles and applications 6th ed. New Delhi IBH Publishing 1980 xiii553p. Social Sciences Economics Econometrics ddc BK