F. Araújo, J. Lopes, A. Soares, and J. Cravino. TECH-EDU, volume 1384 of Communications in Computer and Information Science, page 44-60. Springer, (2020)
F. Araújo, J. Lopes, A. Soares, and J. Cravino. TECH-EDU, volume 993 of Communications in Computer and Information Science, page 319-330. Springer, (2018)