00000cam a22000004a 4500 UP-99796217606666514 Buklod 20230503092542.0 m |o d | ta 040324s1977 xx r |||| u|eng d (iLib)UPD-00000412666 DISMED eng Q 161 S35 Bk.2 1977a P.G. Curriculum Development Center for Science and mathematics, Science Education Center University of the Philippines Elementary school science 2 things change Curriculum Development Center for Science and Mathematics, Science Education Center, University of the Philippines. Manila Department of Education and Culture, Republic of the Philippines c1977a. 172 p. (Elementary school science 2) Part of the 10 year development program under Presidential Decree 6-A.The project is administered by EDPITAF and the Textbook Board, DEC complimentary edition. Science Problems, questions, exercises. Science Study and teaching. Book fi UPD DISMED Q 161 S35 Bk.2 1977a P.G. UPD DISMED Q 161 S35 Bk.2 1977a P.G. Book