Choriev Rustam, 3rd year bachelor Department of "Railway Engineering" Tashkent State Transport University, Tashkent (Scientific supervisor - Umarov Kh, Cand. of Technical Sciences, Associate Professor). 7.1 STRENGTHENING THE 19-KILOMETER TUNNEL. shine-aeb [Internet]. 2025 Jul. 2 [cited 2025 Jul. 4];1(7):3-8. Available from: https://shine-aeb.uz/index.php/current/article/view/149