Welch, B. L. (1951). "On the Comparison of Several Mean Values: An Alternative Approach". Biometrika. 38 (3/4): 330–336. doi:10.2307/2332579. JSTOR2332579.
Blair, R. C. (1981). "A reaction to 'Consequences of failure to meet assumptions underlying the fixed effects analysis of variance and covariance.'". Review of Educational Research. 51 (4): 499–507. doi:10.3102/00346543051004499.
Sawilowsky, S. (1990). "Nonparametric tests of interaction in experimental design". Review of Educational Research. 60 (1): 91–126. doi:10.3102/00346543060001091.
jstor.org
Welch, B. L. (1951). "On the Comparison of Several Mean Values: An Alternative Approach". Biometrika. 38 (3/4): 330–336. doi:10.2307/2332579. JSTOR2332579.