ตำรา physical Geography ตำราอ่านประกอบ
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Gregory, K.J.et al. , 1973, Drainage Basin Form and Process, Arnold, London.
Price, M., 1996. Introduction to Groundwater. Chapman & Hall, N.Y.
Van Zuidam, R.A., 1983., Guide to geomorphologic Aerial Photographic Interpretation and Mapping, ITC, Enschede
Verstappen, H.Th., 1983, Applied Geomorphology, Elsevier, Amsterdam.