Boonyo, Yotanut. “Thai Text Clustering with K-Means and TF-IDF in Python for Educational Applications”. Journal of Research Methodology 38, no. 1 (June 25, 2025): ุ69–90. accessed September 12, 2026. https://so12.tci-thaijo.org/index.php/jrm/article/view/2972.