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). Retrieved from https://www.ijmrd.in/index.php/imjrd/article/view/2953