Argumentation Vee diagrams (AVDs) enrich online discussions. - E. Michael Nussbaum; Denise L. Winsor; Yvette M. Aqui; Anne M. Poliquin (CSCL, 2007)

Putting the pieces together: Online argumentation vee diagrams enhance thinking during discussions. - E. Michael Nussbaum; Denise L. Winsor; Yvette M. Aqui; Anne M. Poliquin (Int. J. Comput. Support. Collab. Learn., 2007)