Não informado. (1985). TechTrends. Association for Educational Communications and Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. TechTrends. Washington: Association for Educational Communications and Technology, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. TechTrends. Association for Educational Communications and Technology, 1985.
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