CHIA, Kok Hwee; WONG, Dorothy Lee Feng. The Effectiveness of Dimethylglycine (DMG) As Dietary Supplement and Adjunct Intervention to P.E.C.S. Approach in Treatment of Children with Autism Spectrum Disorder (ASD) and Severe Speech Delay. Journal of the American Academy of Special Education Professionals, [S. l.], v. 4, n. 1, p. 17–44, 2009. DOI: 10.64546/jaasep.66. Disponível em: https://www.aasep.org/article/view/66. Acesso em: 23 sep. 2025.