Das, B. M. (2016). Principles of foundation engineering (Eighth edition, SI edition.). Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDas, Braja M. Principles of Foundation Engineering. Eighth edition, SI edition. Boston, MA: Cengage Learning, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDas, Braja M. Principles of Foundation Engineering. Eighth edition, SI edition. Cengage Learning, 2016.
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