SALKOV N.A.; ZAKHAROVA O. N.; ORLOV E. V. THE DEVELOPMENT PATH OF WATER SUPPLY AND SEWAGE SYSTEMS DURING THE FOURTH FIVE‑YEAR PLAN IN THE USSR. The system technologies, [S. l.], n. 60, p. 137–142, 2026. DOI: 10.55287/22275398_2026_60_137-142. Disponível em: https://thesystemtechnologies.com/index.php/st/article/view/192. Acesso em: 19 oct. 2026.