De Jesus, Maria Bernadette Et. Al. The consumer's tree : an alternative approach to appreciating economics De Jesus, Maria Bernadette Et. Al. - Makati City : Bookquick Marketing, c2007. - xxxii, 201 pages : illustration ; 22 cm. Includes bibliographical references and index. ISBN: 978-971-0388-39-4. Subjects--Topical Terms: Dewey Class. No.: Fil. 339.41 C755 2007