Sinclair, A. (1984). A guide to appropriate technology institutions. Intermediate Technology Development Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSinclair, Angela. A Guide to Appropriate Technology Institutions. London: Intermediate Technology Development Group, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSinclair, Angela. A Guide to Appropriate Technology Institutions. Intermediate Technology Development Group, 1984.
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