Dela Cruz, Rowena G., Introduction to earth science / Rowena G. Dela Cruz, Chastine G. Cardenas, Benjamin S. Jaramilla. - Malabon City, Philippines : Mutya Publishing House, Inc., 2004. - 196 pages : illustrations, tables, figures ; 25 cm. Includes bibliographical references. English ISBN: 9718210598 Subjects--Topical Terms: Earth's History. Dewey Class. No.: 550 / D38