knox,I Paul. (2013). small town sustainability: Economic social and environmental innovation. German National Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रknox,I Paul. Small Town Sustainability: Economic Social and Environmental Innovation. German National Library, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रknox,I Paul. Small Town Sustainability: Economic Social and Environmental Innovation. German National Library, 2013.
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