Morales, A. T. The philosophy and function of the University of the Philippines external studies program. Education quarterly..
Chicago-referens (17:e uppl.)Morales, Alfredo T. "The Philosophy and Function of the University of the Philippines External Studies Program." Education Quarterly. .
MLA-referens (9:e uppl.)Morales, Alfredo T. "The Philosophy and Function of the University of the Philippines External Studies Program." Education Quarterly., .
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