Hsu, P.-S., R. Adulseranee, E. Newman, J. Underwood, C. Wills, and M. Van Dyke. “Designing an Online Graph-Oriented Collaborative Argumentation Tool for Middle School Students: A Faculty Expert’s Perspective”. International Journal of Designs for Learning, vol. 7, no. 3, Nov. 2016, doi:10.14434/ijdl.v7i3.13469.