Hughes, Lorna M. Ed. <br/><br/>
Evaluating and measuring the value, use and impact of digital collections 

 - 1st 
 - London  Facet publishing  2012 
 - xvii;181p p. 
<br/><br/><label>ISBN: </label>978-1-85604-720-3 
<br/><br/><label>Subjects--Index Terms: </label>Digital libraries -- Evaluation.