University of the Philippines. College of Liberal Arts.University of the Philippines. College of Arts and Sciences. (1949). Natural and applied science bulletin. College of Arts and Sciences, University of the Philippines.
Chicago-referens (17:e uppl.)University of the Philippines. College of Liberal Arts.University of the Philippines. College of Arts and Sciences. Natural and Applied Science Bulletin. Quezon City: College of Arts and Sciences, University of the Philippines, 1949.
MLA-referens (9:e uppl.)University of the Philippines. College of Liberal Arts.University of the Philippines. College of Arts and Sciences. Natural and Applied Science Bulletin. College of Arts and Sciences, University of the Philippines, 1949.
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