Soyinka , A.T., and E.O. Adeleke. “A Note on the Test of Equality Between Two Bivariate Groups: An Analogue to Kolmogorov-Smirnov Test Statistic”. International Journal of Mathematical Sciences and Optimization: Theory and Applications 11, no. 4 (February 26, 2026): 114 - 122. Accessed March 22, 2026. https://ijmso.unilag.edu.ng/article/view/2919.