Nwakuya , M. T. ., and E. O. Biu. “COMPARATIVE STUDY OF MANLY TRANSFORMATION AND YEO-JOHNSON TRANSFORMATION IN QUANTILE REGRESSION ANALYSIS”. Probability Statistics and Econometric Journal, vol. 4, no. 1, Feb. 2022, pp. 20-27, https://cirdjournals.com/index.php/psej/article/view/631.