Cite
MLA Citation
Elizabeth Tipton and Laura R. Peck. “A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations.” Evaluation review, vol. 41, 2017, pp. 326–356. http://access.bl.uk/ark:/81055/vdc_100069446801.0x000003
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Elizabeth Tipton and Laura R. Peck. “A Design-Based Approach to Improve External Validity in Welfare Policy Evaluations.” Evaluation review, vol. 41, 2017, pp. 326–356. http://access.bl.uk/ark:/81055/vdc_100069446801.0x000003