Casinillo, Leomarich Fortugaliza, Jonecis Adolfo Dayap, Melbert Odo Hungo, and Eduardo Estobio Lleve, Jr. “Understanding Stress and Satisfaction of Private Teachers: A Correlation Analysis and K-Means Clustering”. Ho Chi Minh City Open University Journal of Science - Social Sciences 15, no. 4 (May 11, 2024): 112–126. Accessed October 13, 2026. https://journalofscience.ou.edu.vn/index.php/soci-en/article/view/3205.