Chopra, K., & Chopra, K. (1999). Operationalising sustainable development: Economic-ecological modelling for developing countries. Sage Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChopra, Kanchan, और Kanchan;Kadekodi Chopra. Operationalising Sustainable Development: Economic-ecological Modelling for Developing Countries. Sage Pub, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChopra, Kanchan, और Kanchan;Kadekodi Chopra. Operationalising Sustainable Development: Economic-ecological Modelling for Developing Countries. Sage Pub, 1999.
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