Mencias, C. F. (1995). An introduction to distance education. Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMencias, Cristina F. An Introduction to Distance Education. Manila: Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMencias, Cristina F. An Introduction to Distance Education. Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1995.
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