Denoga, O. B. (1976). The causes of failures among college students [microform]. Photoduplication Service University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDenoga, Oscar B. The Causes of Failures Among College Students [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDenoga, Oscar B. The Causes of Failures Among College Students [microform]. Photoduplication Service University of the Philippines Library, 1976.
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