TY - BOOK AU - Religioso,Teresita F. TI - You and the natural world series: Earth science learning guide SN - 9789710648061 U1 - 525.028 PY - 2017/// CY - Quezon City PB - Phoenix Publishing House Inc. KW - Earth science N1 - Earth's origin and structure -- earth's material and resources -- exogenic processes -- endogenic processes ER -