Hsb S, Chaniago NS. Performance of Education Personnel in Junior High School Karya Bunda Mandiri Percut Sei Tuan District Deli Serdang Regency. edumaspul [Internet]. 21Mar.2023 [cited 9Dec.2025];7(1):1185-91. Available from: https://jurnal.unimen.cloud/maspuljr/article/view/5847