title: Virtual classroom extension for effective distance education.
authors.affiliation: Purdue University, USA. rdondera@cs.umd.edu
authors.forename: Radu
authors.initials: R
authors.lastname: Dondera
authors.forename: Chun
authors.initials: C
authors.lastname: Jia
authors.forename: Voicu
authors.initials: V
authors.lastname: Popescu
authors.forename: Cristina
authors.initials: C
authors.lastname: Nita-Rotaru
authors.forename: Melissa
authors.initials: M
authors.lastname: Dark
authors.forename: Cynthia S
authors.initials: CS
authors.lastname: York
mesh_terms: D003196:Computer Graphics; D003194:Computer-Assisted Instruction / Q000379:methods*; D020375:Education, Distance / Q000379:methods*; D013663:Teaching / Q000379:methods*; D014481:United States; D014495:Universities; D014584:User-Computer Interface