Basu, K., & Ray, R. 1. (2002). The collective model of the household and an unexpected implication for child labor: Hypothesis and empirical test. Washington, DC: The World Bank, Office of the Senior Vice President, Development Economics.

Basu, Kaushik, and Ranjan 1949- Ray. The Collective Model of the Household and an Unexpected Implication for Child Labor: Hypothesis and Empirical Test. Washington, DC: The World Bank, Office of the Senior Vice President, Development Economics, 2002.

Basu, Kaushik, and Ranjan 1949- Ray. The Collective Model of the Household and an Unexpected Implication for Child Labor: Hypothesis and Empirical Test. Washington, DC: The World Bank, Office of the Senior Vice President, Development Economics, 2002.