Medina, Roberto G. <br/><br/>Principles of Economics Roberto  -- First Edition  -- Manila, Philippines  Rex Book Store  2001 <br/>ix, 286 p. ;  22 cm <br/><br/><label>ISBN: </label>9712336107 <br/><br/><label>ISSN: </label>ISBN <br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/><br/><label>Dewey Class. No.: </label>GSL 330 M468 2001 C.1