Villegas, Bernardo M. <br/><br/>Managerial economics/ Bernardo M. Villegas.--  -- Manila, Philippines:  Sinag-Tala Publishers, Inc.  1993. <br/>413 p.;  22 cm. <br/><br/> Includes index <br/><br/><label>ISBN: </label>97111-7066-3 <br/><br/><label>Subjects--Topical Terms: </label><br/>Managerial economics.<br/><br/><label>Dewey Class. No.: </label>Fil 338.50246 V714 1993