S. Salsabila, A. T. Salma, S. S. Dewanti, Q. Qotrunnada, and W. L. Z. A’maali, “Kruskal-Wallis Analysis in Determining Differences in Mathematical Problem-Solving Ability Based on Level of Learning Interest”, MPM, vol. 13, no. 2, pp. 616–626, Dec. 2025.