MANURUNG, Dian Mayasari; ADAM, Adam; BATUBARA, Beby Masitho. IMPLEMENTATION OF THE POLICY OF PROCUREMENT OF GOODS AND SERVICES THROUGH E-PURCHASING WITHIN THE MEDAN CITY GOVERNMENT. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, [S. l.], v. 15, n. 1, p. 669–678, 2026. DOI: 10.36526/sosioedukasi.v15i1.7410. Disponível em: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/7410. Acesso em: 25 feb. 2026.