Cite
MLA Citation
Haiyan Bai and M. H (Margaret Hilary) Clark. Propensity score methods and applications. Thousand Oaks : SAGE Publications, Inc, 2018. http://access.bl.uk/ark:/81055/vdc_100071082212.0x000001
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Haiyan Bai and M. H (Margaret Hilary) Clark. Propensity score methods and applications. Thousand Oaks : SAGE Publications, Inc, 2018. http://access.bl.uk/ark:/81055/vdc_100071082212.0x000001