1.
Online Competitive Intelligence Increase Your Profits Using Cyger-Intelligence
by Burwell, Helen P.
ISBN: 9781889150413
List Price: $25.95
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Online Competitive Intelligence Increase Your Profits Using Cyger-Intelligence
by Burwell, Helen P., Sankey, ...
ISBN: 9781889150086
List Price: $25.95
3.
Directory of Fee-Based Information Services, 1984
by Burwell, Helen P.
ISBN: 9780936288024
List Price: $18.95
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Directory of Fee-Based Information Services, 1986
by Burwell, Helen P.
ISBN: 9780938519027
List Price: $24.95
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Burwell World Directory of Information Brokers 1995
by Burwell, Helen P.
ISBN: 9780938519119
List Price: $99.50
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Texas Tort Reform Legislative History 1987
by Burwell, Helen P.
ISBN: 9780409253658
List Price: $350.00
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Burwell Directory of Information Brokers
by Burwell, Helen P.
ISBN: 9780938519102
List Price: $79.50