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HARVARD Citation
Tipton, E. et al. (2017). A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations. Evaluation review. pp. 326-356. [Online].
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Tipton, E. et al. (2017). A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations. Evaluation review. pp. 326-356. [Online].