TY - BOOK AU - Refran,James Cesar AU - Tolentino,Pamela Louise M. AU - Guzman-Genuino,Ruth Marian TI - Earth and life science SN - 9789710738236 U1 - 550 PY - 2016/// CY - Quezon City PB - Vibal Group Inc. KW - Earth KW - Life science N1 - Includes bibliographical references and index ER -