Seddighi Hamid R Introductory econometrics A practical approach. - London Routledge 2012 - xvi,383p cm. ISBN: 3824.5999000000002 Standard No.: 118583 Source: 235, 12/02/2013, Vardhman Books Textual Subjects--Topical Terms: Applied Operation Research Dewey Class. No.: X:(B), Q2