Cangur, S., and H. Ankarali. “Examining the Probabilities of Type I Error for Unadjusted All Pairwise Comparisons and Bonferroni Adjustment Approaches in Hypothesis Testing for Proportions”. International Journal of Statistics in Medical Research, vol. 3, no. 4, Nov. 2014, pp. 404-11, doi:10.6000/1929-6029.2014.03.04.9.