Ehrenberg, A.S.C.
Data reduction : analysing and interpreting statistical data
John Wiley & Sons, 1975
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Steinberg, Christian E.W.
Stress ecology; environmental stress as ecological driving force and key player in evolution
Springer, 2012
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Twesten, Gary
Wildlife ecology; a guide to the ecological approach of studying the wildlife of the central United States
Illinois Record Printing, 1989
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Analysing qualitative data in psychology
Evanthia Lyons, Adrian Coyle
Sage, 2007
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Gibbs, Graham R
Analysing qualitative data
Sage , 2013
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