By Recker M.   in New Review in Hypermedia and Multimedia

ISSN:1361-4568|13|2|117-134

Taylor & Francis Ltd‎(2007)‎

Access to resources Favorite 13.177703

By Recker M.   Gupta S.   in Bulletin of Mathematical Biology

ISSN:0092-8240|68|4|821-835

Elsevier‎(2006)‎

Access to resources Favorite 10.242098

By Recker M.M.   Walker A.   Lawless K.   in Instructional Science

ISSN:0020-4277|31|4-5|299-316

Springer Publishing Company ‎(2003)‎

Access to resources Favorite 2.152926