Dela Cruz, Rowena G. Introduction to earth science / Rowena G. Dela Cruz, Chastine G. Cardenas, Benjamin S. Jaramilla. - Valenzuela City : Mutya Publishing House, Inc., 2004. - 197 pages : illustrations ; 25 cm. Includes bibliographical references. ISBN: 9718210598 Pbk. Np. Subjects--Facted Index Terms: Earth science. LC Class. No.: QE 26.2 D45 2004 F CASAT