HENDRICKSON, Thomas C.; HORN, Annemarie. Teaching Middle School Students with Disabilities to Solve Multi-Step Equations using the Hands-On Equations System. Journal of the American Academy of Special Education Professionals, [S. l.], v. 16, n. 3, p. 70–83, 2021. DOI: 10.64546/jaasep.467. Disponível em: https://www.aasep.org/article/view/467. Acesso em: 23 sep. 2025.