Huitema, B. E. (2011). Analysis of covariance and alternatives: Statistical methods for experiments, quasi-experiments, and single-case studies (2nd ed.). Wiley.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Huitema, Bradley E. Analysis of Covariance and Alternatives: Statistical Methods for Experiments, Quasi-experiments, and Single-case Studies. 2nd ed. Hoboken, N.J.: Wiley, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Huitema, Bradley E. Analysis of Covariance and Alternatives: Statistical Methods for Experiments, Quasi-experiments, and Single-case Studies. 2nd ed. Wiley, 2011.
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