Hsb, S., and N. S. Chaniago. “Performance of Education Personnel in Junior High School Karya Bunda Mandiri Percut Sei Tuan District Deli Serdang Regency”. Edumaspul: Jurnal Pendidikan, Vol. 7, no. 1, Mar. 2023, pp. 1185-91, doi:10.33487/edumaspul.v7i1.5847.