Double Sidewall Combined Step Method for Ovoid Structured Tunnels with Additional Large Legs at the Lower Steps Research on Construction Technology. IJSHRE [इंटर्नेट]. 3 जनवरी, 2025 [उल्लेखित 20 अक्टूबर, 2026];12(12). पर उपलब्ध: https://ijournals.in/journal/index.php/ijshre/article/view/317