NAM KEE, Norman Kiak; CHIA, Noel Kok Hwee. Teaching Arithmetic Operation of Division with Montessori Division Board Set to Two Children with Autism Spectrum Disorders: A Case Study. Journal of the American Academy of Special Education Professionals, [S. l.], v. 5, n. 2, p. 157–171, 2010. DOI: 10.64546/jaasep.111. Disponível em: https://www.aasep.org/article/view/111. Acesso em: 23 sep. 2025.