Choong, P. L. (2011). Response of shear key connection with different key shapes [electronic resource].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChoong, Pak Lim. Response of Shear Key Connection with Different Key Shapes [electronic Resource]. 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChoong, Pak Lim. Response of Shear Key Connection with Different Key Shapes [electronic Resource]. 2011.
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