RANJAN GOPAL,RAO A S R. (2014). BASIC AND APPLIED SOIL MECHANICS. NEW AGE INTERNATIONAL PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRANJAN GOPAL,RAO A S R. BASIC AND APPLIED SOIL MECHANICS. NEW DELHI: NEW AGE INTERNATIONAL PUBLISHERS, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRANJAN GOPAL,RAO A S R. BASIC AND APPLIED SOIL MECHANICS. NEW AGE INTERNATIONAL PUBLISHERS, 2014.
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