MEDINA, ROBERTO Principles of marketing MEDINA, ROBERTO - Rev. ed. - Manila : Rex Book Store, c2008 - xv, 326 p. : ill. ; 22 cm. MEDINA, ROBERTO ISBN: 978-971-23-5242-3. Subjects--Topical Terms: Dewey Class. No.: Fil. 658.8 M491p 2008