Curriculum Development Center for Science and Mathematics, S. E. C. (1977). Elementary school science 2: Things change. Teacher's manual. Department of Education and Cutlture,Republic of the Philippines.
Chicago Style (17th ed.) CitationCurriculum Development Center for Science and Mathematics, Science Education Center. Elementary School Science 2: Things Change. Teacher's Manual. Manila: Department of Education and Cutlture,Republic of the Philippines, 1977.
MLA (9th ed.) CitationCurriculum Development Center for Science and Mathematics, Science Education Center. Elementary School Science 2: Things Change. Teacher's Manual. Department of Education and Cutlture,Republic of the Philippines, 1977.
Warning: These citations may not always be 100% accurate.