1. ASTM (Amaerican Society for Tecsting and Materials). 2009. Density Absorption and Voids in Hardened Concrete. American Standard. C642-06. American: American Society for Testing and Materials.
2. ASTM (American Society for Testing and Materials). 2012. Standard Test Method for Electrical Indication of Concrete’s Ability to Resist Chloride Ion Penetration. American Standard. C1201-19. American: American Society for Testing and Materials.
3. ASTM (American Society for Testing and Materials). 2020. Standard Test Method for Measurement of Rate of Absorption of Water by Hydraulic-Cement Concretes. American Standard. C1585-20. American: American Society for Testing and Materials.
4. BIS (Bureau of Indian Standards). 2013. Ordinary Portland Cement 53 Grade - Specification. Indian Standards. IS 12269-2013. New Delhi: Bureau of Indian Standards.