(2019). RECOMMENDED contract practice for underground construction. Society for Mining , Metallurgy & Exploration.
Lua i Stíl Chicago (17ú heag.)RECOMMENDED Contract Practice for Underground Construction. Society for Mining , Metallurgy & Exploration, 2019.
Lua MLA (9ú heag.)RECOMMENDED Contract Practice for Underground Construction. Society for Mining , Metallurgy & Exploration, 2019.
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