Campbell, M. J., & Walters, S. J. How to design, analyse and report cluster randomised trials in medicine and health related research.
Παραπομπή σε μορφή Chicago (17η εκδ.)Campbell, Michael J., και Stephen John Walters. How to Design, Analyse and Report Cluster Randomised Trials in Medicine and Health Related Research.
Παραπομπή σε μορφή MLA (8th εκδ.)Campbell, Michael J., και Stephen John Walters. How to Design, Analyse and Report Cluster Randomised Trials in Medicine and Health Related Research.
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