Abdazimov Shavkat Khakimovich,Abduvakhitov Sherzod Ravshan ugli (2025) “VENTILATION SYSTEMS OF TRANSPORT TUNNELS: CLASSIFICATION, STRUCTURE AND PRINCIPLES OF OPERATION”, International Multidisciplinary Journal for Research & Development, 12(04). Available at: https://ijmrd.in/index.php/imjrd/article/view/2953 (Accessed: 4 June 2026).