Karlan, D. S., & Appel, J. (2011). More than good intentions: How a new economics is helping to solve global poverty. Dutton.

Karlan, Dean S., and Jacob Appel. More than Good Intentions: How a New Economics Is Helping to Solve Global Poverty. New York: Dutton, 2011.

Karlan, Dean S., and Jacob Appel. More than Good Intentions: How a New Economics Is Helping to Solve Global Poverty. Dutton, 2011.