University of the Philippines. Science Education Center. (1982). Integrated science 1 (high school science 1): Kit guide. The Center.
Citace podle Chicago (17th ed.)University of the Philippines. Science Education Center. Integrated Science 1 (high School Science 1): Kit Guide. Quezon City: The Center, 1982.
Citace podle MLA (9th ed.)University of the Philippines. Science Education Center. Integrated Science 1 (high School Science 1): Kit Guide. The Center, 1982.
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