(1997). Health and environment in sustainable development: Five years after the earth summit.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHealth and Environment in Sustainable Development: Five Years After the Earth Summit. 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHealth and Environment in Sustainable Development: Five Years After the Earth Summit. 1997.
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