Karlan, D. S., & Appel, J. (2011). More than good intentions: How a new economics is helping to solve global poverty. Dutton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKarlan, Dean S., और Jacob Appel. More than Good Intentions: How a New Economics Is Helping to Solve Global Poverty. New York: Dutton, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKarlan, Dean S., और Jacob Appel. More than Good Intentions: How a New Economics Is Helping to Solve Global Poverty. Dutton, 2011.
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