R. Mira Pastor and C. Grau Rubio, “Alternative and augmentative communication systems (AACS) as an instrument for decreasing challenging behaviour to students with ASD: a case study”, REDIS, vol. 5, no. 1, pp. 113–132, Jun. 2017, Accessed: Sep. 22, 2026. Available: https://redis.cedid.es/index.php/redis/article/view/266