Hardiyatmo, H. C., & Hardiyatmo, H. C. (2002). Mekanika Tanah 1 Hary Christady Hardiyatmo. Gadjah Mada University Press.
Chicago Style aipamenaHardiyatmo, Hary Christady, and Hary Christady Hardiyatmo. Mekanika Tanah 1 Hary Christady Hardiyatmo. Gadjah Mada University Press, 2002.
MLA aipamenaHardiyatmo, Hary Christady, and Hary Christady Hardiyatmo. Mekanika Tanah 1 Hary Christady Hardiyatmo. Gadjah Mada University Press, 2002.
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