Elementary school science 2 things change. Teacher's manual - Curriculum Development Center for Science and Mathematics, Science Education Center, University of the Philippines (Manila Department of Education and Cutlture,Republic of the Philippines, 1977)
A project of the 10-year development prioject under Presidential Decree 6-A. The project is adminstered by EDPITAF and the the Textbook Board, DEC. Complimentary edition
Keywords: Science -- Problems, questions, exercises; Science -- Study and teaching