C. Haswari, M. Suryatni, and S. Nururly, “Work Motivation as a Mediating Variable in the Effect of Competence and Supervisory Support on Employee Engagement: A Study of Government Employees with Work Agreement (PPPK) at the University of Mataram”, IIJSE, vol. 9, no. 2, pp. 13483-13497, Sep. 2026.