Sembiring PN, Siregar OM. The Influence of Employee Engagement and Self-efficacy on the Performance of PDAM Tirtauli Pematangsiantar Employees. FJAS [Internet]. 2023 Nov. 2 [cited 2026 Jun. 18];2(10):2573-84. Available from: https://journal.formosapublisher.org/index.php/fjas/article/view/6440