Amaze (Autism Victoria) is the peak body for Autism Spectrum Disorder in Victoria. Their website contains extensive information www.amaze.org.au
Monash University fact sheet, examining the relationship between play and restricted, repetitive patterns of behaviour. http://www.med.monash.edu.au/spppm/research/devpsych/actnow/download/factsheet06.pdf
Department of Education and Early Childhood Development resource “Restricted, Repetitive and Stereotyped Patterns of Behaviour, Interest and Activities”
The National Autistic Society, in the United Kingdom, webpage http://www.autism.org.uk/living-with-autism/understanding-behaviour/obsessions-repetitive-behaviours-and-routines.aspx
The links above are provided as suggested sources of helpful information. However, due to the changing nature of the internet, these sources may have changed or become outdated. Amaze is unable to vouch for the currency or veracity of information provided on third-party websites.