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https://doi.org/10.1016/j.conbuildmat.2005.01.020
2. American Society for Testing and Materials, C1760-12 (2012) Standard test method for bulk electrical conductivity of hardened concrete
3. American Society for Testing and Materials, C 39/C39M (1999) Standard test method for compressive strength of cylindrical concrete specimens
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5. American Society for Testing and Materials, C143/C143M-15 (2015) Standard test method for slump of hydraulic-cement concrete