Olivar, Jose Tolentino II ELTS: earth science / Jose Tolentino Olivar II, Raymond S. Rodolfo, HIllel B. Cabria; John Donnie A. Ramos, coordinator. - Quezon City : Phoenix Publishing House, Inc., 2016. - ix, 187 pages: colored, illustrations 25 cm Includes glossary, bibliography, and index. English ISBN: 9789710638949 Subjects--Topical Terms: Earth sciences LC Class. No.: 550 Ol41e 2016