Philippines. University. Graduate School of Arts and Sciences. (1962). Theses abstracts. Office of Research Coordination.
Chicago-referens (17:e uppl.)Philippines. University. Graduate School of Arts and Sciences. Theses Abstracts. Quezon City: Office of Research Coordination, 1962.
MLA-referens (9:e uppl.)Philippines. University. Graduate School of Arts and Sciences. Theses Abstracts. Office of Research Coordination, 1962.
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