MODERN SOLUTIONS TO THE PROBLEM OF PLACING UNDERGROUND ENGINEERING NETWORKS IN LARGE CITIES, ECONOMIC APPROACHES AND PROSPECTS. Journal of Multidisciplinary Sciences and Innovations, [S. l.], v. 4, n. 4, p. 226–230, 2025. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/jmsi/article/view/645. Acesso em: 27 jan. 2026.