Chaudhary, Gauri, and Manali Kshirsagar. “Enhanced Text Clustering Approach Using Hierarchical Agglomerative Clustering With Principal Components Analysis to Design Document Recommendation System”. Research Transcripts in Computer, Electrical and Electronics Engineering 2 (March 30, 2021): 1–18. Accessed April 20, 2024. https://grinrey.com/journals/index.php/rtceee/article/view/9.