References

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Little, Roderick JA, and Donald B Rubin. 1987. Statistical Analysis with Missing Data. Vol. 793. John Wiley & Sons.
Rubin, Donald B. 1976. “Inference and Missing Data.” Biometrika 63 (3): 581–92.
———. 1987. Multiple Imputation for Nonresponse in Surveys. John Wiley & Sons.