Kusmanadi K. The Role of the District Head in Improving the Performance of Civil Servants at the Office of the District Head of Galang, Deli Serdang Regency. JLS [Internet]. 2025Aug.9 [cited 2026Oct.15];6(5):1495-501. Available from: https://www.newinera.com/index.php/JournalLaSociale/article/view/5499