HARAHAP, Nurmala Sari; ISNAINI, Isnaini; LUBIS, Maksum Syahri. IMPLEMENTATION OF MEDAN MAYOR REGULATION NUMBER 51 OF 2021 ON THE PERFORMANCE OF THE HEAD OF THE ENVIRONMENT IN KELURAHAN BESAR, MEDAN LABUHAN DISTRICT, MEDAN CITY. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, [S. l.], v. 14, n. 1, p. 653–661, 2025. DOI: 10.36526/sosioedukasi.v14i1.5730. Disponível em: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/5730. Acesso em: 19 jul. 2025.