World Bank. (1997). Health, nutrition & population. Human Development Network of the World Bank Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Bank. Health, Nutrition & Population. Washington, D.C.: Human Development Network of the World Bank Group, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Bank. Health, Nutrition & Population. Human Development Network of the World Bank Group, 1997.
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