Saxena, S. C. (2018). Tunnel Engineering (01st.). Dhanpatrai Publication.
Lua i Stíl Chicago (17ú heag.)Saxena, Subhash C. Tunnel Engineering. 01st. New Delhi: Dhanpatrai Publication, 2018.
Lua MLA (9ú heag.)Saxena, Subhash C. Tunnel Engineering. 01st. Dhanpatrai Publication, 2018.
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