Helfert, Erich A. Techniques of financial analysis : a guide to value creation / Erich A. Helfert - Décima edición - New York : McGraw-Hill Irwin, 2000 - xx, 556 p - Series in finance, insurance,and real estate . Millennium edition ISBN: 0072299886 Subjects--Topical Terms: Análisis financiero--TécnicasGestión de negocios Dewey Class. No.: 658.151 H474t 2000