Submitted on: 19 July 2016.
Revised on: 01 September 2016.
Accepted on: 20 September 2016.
___________________Insights-The UKSG Journal---UBIQUITY PRESS LTD
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Submitted on: 25 May 2006.
Revised on: 16 August 2006.
Accepted on: 16 September 2006.
___________________Insights-The UKSG Journal---UBIQUITY PRESS LTD
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Submitted on: 13 March 2007.
Revised on: 26 June 2007.
Accepted on: 25 August 2007.
___________________Insights-The UKSG Journal---UBIQUITY PRESS LTD
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