Não informado. (2007). Engineering & Technology. Institution of Engineering and Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Engineering & Technology. Stevenage, Inglaterra: Institution of Engineering and Technology, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Engineering & Technology. Institution of Engineering and Technology, 2007.
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