Gupta, A. (1988). Ecology and development in the third world. Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGupta, Avijit. Ecology and Development in the Third World. Routledge, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGupta, Avijit. Ecology and Development in the Third World. Routledge, 1988.
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