Lopez, Catherine C., and Leila L. Ravana. “Challenges and Motivation Influencing Work Engagement of High School Teachers in Zone 1, Schools Division of Zambales”. International Journal of Multidisciplinary: Applied Business and Education Research, vol. 6, no. 7, July 2025, pp. 3598-11, https://doi.org/10.11594/ijmaber.06.07.28.