GRIGORIAN, A. (1997). Pile foundations for buildings and structures incollapsible soils. A.A. Balkema.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGRIGORIAN, A.A. Pile Foundations for Buildings and Structures Incollapsible Soils. Rotterdam: A.A. Balkema, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGRIGORIAN, A.A. Pile Foundations for Buildings and Structures Incollapsible Soils. A.A. Balkema, 1997.
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