Hsb S, Chaniago NS. Performance of Education Personnel in Junior High School Karya Bunda Mandiri Percut Sei Tuan District Deli Serdang Regency. edumaspuljr [Internet]. 2023Mar.21 [cited 2026Apr.5];7(1). Available from: https://jurnal.unimen.cloud/index.php/maspuljr/article/view/5847