Harahap, Nurmala Sari, Isnaini Isnaini, and Maksum Syahri Lubis. “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 14, no. 1 (July 18, 2025): 653–661. Accessed July 19, 2025. https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/5730.