By Janssen Jeannette   in Internet Mathematics

ISSN:1542-7951|8|4|338-363

Taylor & Francis Ltd‎(2012)‎

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By An Yuan   Janssen Jeannette   Milios Evangelos E.   in Knowledge and Information Systems

ISSN:0219-1377|6|6|664-678

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 11.041536