Ayush , Dr Neeraj Kanwar , Er. Attul Thakur . “Comparative Evaluation of Waterproofing Systems Used in Railway Tunnel Construction: Performance, Durability, and Engineering Applications”. Journal of Validation Technology, ISSN: 1079-6630, E-I SSN: 2150-7090 32, no. 2 (July 20, 2026): 14–21. Accessed July 21, 2026. https://jvtnetwork.com/index.php/journals/article/view/184.