Wooldridge, S.W.
The Spirit and purpose of geography
Hutchinson University Library,, 1970
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Getis, Arthur
Introduction to geography
McGraw-Hill, 2000
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Getis, Arthur
Introduction to geography
McGraw-Hill Higher Education, 2009
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Unwin, Tim
The place of geography
Longman Scientific & Technical, 1992
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Introduction to geography
by Arthur Getis ... [and others]
McGraw-Hill, 2011
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