Angrist, J. D. (2001). Vouchers for private schooling in Colombia: Evidence from a randomized natural experiment. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Angrist, Joshua D. Vouchers for Private Schooling in Colombia: Evidence from a Randomized Natural Experiment. Cambridge: National Bureau of Economic Research, 2001.
Citace podle MLA (9th ed.)Angrist, Joshua D. Vouchers for Private Schooling in Colombia: Evidence from a Randomized Natural Experiment. National Bureau of Economic Research, 2001.
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