Univrsity of the Philippines. (1980). Science Diliman. Office of Research Coordination University of the Philippines.
Chicago-viite (17. p.)Univrsity of the Philippines. Science Diliman. Quezon City: Office of Research Coordination University of the Philippines, 1980.
MLA-viite (9. p.)Univrsity of the Philippines. Science Diliman. Office of Research Coordination University of the Philippines, 1980.
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