N. RAJESH GOUD. CONSTRUCTION OF ATAL TUNNEL. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 8, n. 08, p. 122–126, 2021. DOI: 10.17605/OSF.IO/J3XWA. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2826. Acesso em: 1 feb. 2026.