Gambhir M.L. (2019). Concrete Technology (05th.). McGraw Hill Education.
Lua i Stíl Chicago (17ú heag.)Gambhir M.L. Concrete Technology. 05th. New Delhi: McGraw Hill Education, 2019.
Lua MLA (9ú heag.)Gambhir M.L. Concrete Technology. 05th. McGraw Hill Education, 2019.
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