Maddala, G S. Introduction to econometrics / by G.S. Maddala. - 3rd ed / . - New Delhi : Wiley India , 2009. - xxv, 636p. : ills. ; 24cm . Includes index ISBN: 9788126510955 RS499.00 Subjects--Index Terms: ECONOMICS Dewey Class. No.: 330.015195 / MAD/I