Wilson, E. Bright
An Introduction to scientific research
McGraw-Hill, 1952
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Wilson, Bright E.
An introduction to scientific research
Dover, 1990
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Chang, Kang-Tsung, 1943-
Introduction to geographic information system
McGraw-Hill, 2002
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Chang, Kang-Tsung, 1943-
Introduction to geographic information systems
McGraw-Hill, 2002
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Chang, Kang-Tsung, 1943-
Introduction to geographic information systems
McGraw-Hill, 2014
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