Ambiapuri E, Sudirman S, Pebriana PH, Dermawan H, Pratiwi EYR. Implementation of the Filing System at State Elementary School 18 Lawang Kidul. edumaspuljr [Internet]. 2023Mar.1 [cited 2026Apr.5];7(1). Available from: https://jurnal.unimen.cloud/index.php/maspuljr/article/view/5334