Não informado. (2018). Concrete and Constructional Engineering. Concrete Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Concrete and Constructional Engineering. London: Concrete Publications, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Concrete and Constructional Engineering. Concrete Publications, 2018.
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