AMERICAN, C. I. (1994). Use Of Natural Pozzolans In Concrete Reported By Aci Committee 232. ACI.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAMERICAN, Concrete Insititute. Use Of Natural Pozzolans In Concrete Reported By Aci Committee 232. ACI, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAMERICAN, Concrete Insititute. Use Of Natural Pozzolans In Concrete Reported By Aci Committee 232. ACI, 1994.
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