Refran, James Cesar A. Earth science / by James Cesar A. Refran, Pamela Louise M. Tolentino - Quezon City: Vibal Group Inc., 2020 - vi, 114 pages : illustrations (chieftly color) ; 27 cm. Tables. Includes bibliography [p.109] and index. ISBN: 9789710746781 Dewey Class. No.: 550 R257 2020 / 550 R257 2020