ASUNCION, Ronahlee A.. An Exploratory Study on Emotional Labor: The ‘Invisible’ Work of Teachers. Philippine Journal of Labor and Industrial Relations, [S.l.], v. 34, june 2021. ISSN 0115-6373. Available at: <https://journals.upd.edu.ph/index.php/pjlir/article/view/7704>. Date accessed: 04 sep. 2025.