Imperial, Consuelo M. Turning points IV: teacher's manual in economics for fourth year high school / Consuelo M. Imperial [ and four others ] - Sampaloc, Manila: Rex Bookstore, Inc. , 2007. - 171 pages: figures, tables; 25 cm. English ISBN: 9789712345623 Subjects--Topical Terms: Economics Dewey Class. No.: 330 / Im34t