Ravshanov, Jo’rabek Ravshan o’g’li. “Yevropa Mamlakatlarida yo’l tarmog’ining Rivojlanish Xususiyatlari”. Science and Education 4, no. 9 (September 24, 2023): 173–178. Accessed December 4, 2024. https://openscience.uz/index.php/sciedu/article/view/6273.