Irfan Ullah A comparative study of all-possible, stepwise and multiple regressions in model selection of macroeconomic factors of stock returns / Irfan Ullah - Islamabad: Allama Iqbal Open University, 2015. - xviii, 102p. HB MPhil Thesis Subjects--Topical Terms: Macroeconomics--StatisticalEconomics--StatisticalDissertations, Academic--MPhil Statistics Dewey Class. No.: 519.536 / IRC