CHALLENGES AND STRATEGIES OF SCHOOL PRINCIPALS IN DIGITAL LEARNING ERA: A SYSTEMATIC LITERATURE REVIEW. j. kepemimp. pengur. sekol. [Internet]. 2026 Oct. 30 [cited 2026 Nov. 7];11(5):3575-86. Available from: https://ejurnal.stkip-pessel.ac.id/index.php/kp/article/view/2715