Siregar ZAB. Principal leadership styles in improving the quality of education in Lhokseumawe Aceh Indonesia. Hum. Resour. Manag.  Serv. [Internet]. 2023Apr.29 [cited 2024Nov.21];5(1):3340. Available from: https://ojs.piscomed.com/index.php/HRMS/article/view/3340