1.
A Practical Guide to Research Methods - Gerhard Lang - Paperback - 3rd ed
by Lang, Gerhard, Heiss, Georg...
ISBN: 9780819137265
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A Practical Guide to Research Methods
by Lang, Gerhard, Heiss, Georg...
ISBN: 9780819193834
List Price: $57.00
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A Practical Guide to Research Methods
by Lang, Gehard, Heiss, George D.
ISBN: 9780819179746
List Price: $25.00
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A Practical Guide to Research Methods, Fourth Edition
by Lang, Gehard, Heiss, George D.
ISBN: 9780819179739
List Price: $48.50
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Practical Guide to Research Methods
by Lang, Gerhard, Heiss, Georg...
ISBN: 9780761809807
List Price: $33.00