I. M. M. El Emary, I. Chomiak-Orsa, E. Gross-Gołacka, A. Greńczuk, and K. Łuczak, “Enhancing Open Access to Data Science Education: Analyzing Skill Patterns Using LDA and K-Means Clustering in the Learning Path Index Dataset ”, Artif. Intell. Learn., vol. 1, no. 2, pp. 93–113, Jun. 2025.