Easterbrook, Don J.
Surface processes and landforms
Prentice-Hall, 1999
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Australian ..
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Australian
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Easterbrook, Don J.
Surface processes and landforms / Donald J. Easterbrook
Macmillan Publishing Company, 1993
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Twidale, C.R.
Landforms illustrated / C.R. Twidale, M.R. Foale
Thomas Nelson, 1977
 Buku Teks