SIHOTANG, F. N. THE INFLUENCE OF E-PURCHASING AND GOOD GOVERNANCE ON URBAN AND REGIONAL PLANNING QUALITY AT THE REGIONAL SECRETARIAT OF SIMALUNGUN REGENCY. Mimbar Administrasi Mandiri, [S. l.], v. 21, n. 2, p. 108–123, 2025. DOI: 10.37949/mimbar212242. Disponível em: https://jurnal.stisipwidyapuri-smi.ac.id/index.php/mimbar/article/view/242. Acesso em: 10 may. 2026.