Andaya, Cynthia V. Understanding the earth through environmental science/ Cynthia V. Andaya. - Quezon City: C&E Publishing, c2008. - vii, 236 pages: color illustrations; 25 cm. Includes bibliographical references. ISBN: 9789715847049 Subjects--Topical Terms: Environmental science Dewey Class. No.: DFil 363.7 / An22