URL
http://public.eblib.com/EBLPublic/PublicView.do?ptiID=570350
http://site.ebrary.com/id/10408551
http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=333239
http://www.emeraldinsight.com/1529-2126/14
http://lib.myilibrary.com/detail.asp?ID=271965
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