Curriculum Development Center for Science and Mathematics, S. E. C. (1977). Elementary school mathematics 1: Learning math. Curriculum Development Center for Science and Mathematics, Science Education Center, University of the Philippines.
Chicago Style aipamenaCurriculum Development Center for Science and Mathematics, Science Education Center. Elementary School Mathematics 1: Learning Math. Quezon City: Curriculum Development Center for Science and Mathematics, Science Education Center, University of the Philippines, 1977.
MLA aipamenaCurriculum Development Center for Science and Mathematics, Science Education Center. Elementary School Mathematics 1: Learning Math. Curriculum Development Center for Science and Mathematics, Science Education Center, University of the Philippines, 1977.