Alcarria, R., B. Bordel, D. Martín de Andrés, and T. Robles. “Enhanced Peer Assessment in MOOC Evaluation Through Assignment and Review Analysis”. International Journal of Emerging Technologies in Learning (iJET), vol. 13, no. 01, Jan. 2018, pp. pp. 206-219, doi:10.3991/ijet.v13i01.7461.