Early Intervention Milestones
Lanza, J. & Flahive, L. (2008). Communication Milestones. Linguisystems.com
Developmental Stages for Speech Sounds
Reference: McLeod, S. & Crowe, K. (2018). Children’s consonant acquisition in 27 languages: A cross-linguistic review. American Journal of Speech-Language Pathology
Developmental Stages for Language
2016, Speech Room News, LLC www.thespeechroomnews.com
