Wiwit Yuliesie Rasyid, Rosmilawati I, Jakaria. Managerial competence of school principals in improving the quality of elementary education services. Lent Negeri [Internet]. 2026 Aug. 5 [cited 2026 Sep. 10];7(1):1115-20. Available from: http://lentera.eloracenter.org/lentera/article/view/228