Zhang, Weizhi, and Jonathan Yong Chung Ee. “An Intelligent Knowledge Graph-Based Directional Data Clustering and Feature Selection for Improved Education”. International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 6s (June 6, 2023): 22–33. Accessed September 12, 2025. https://ijritcc.org/index.php/ijritcc/article/view/6807.