Below is a range of websites / resources related to Autism which you may find useful.
Early Childhood Intervention Inclusion
Association for children with a disability
https://psychology.org.au/for-the-public/psychology-topics/autism-spectrum-disorder-in-children
https://www.scopeaust.org.au/blog/disability-advice/some-facts-about-autism-spectrum-disorder-asd/
https://www.theasdclinic.com.au/home
Autism Partnership Australia- Preschool program
https://www.anglicarevic.org.au/events/online-living-with-autism-4/
The Amaze Classroom – an Online Resource for those Teaching Students with ASD
Children with ASD - Raising Children Network