Multiply controlled verbal operants: An analysis and extension to the picture exchange communication system
Crossref DOI link: https://doi.org/10.1007/BF03393184
Published Online: 2017-06-12
Published Print: 2004-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Bondy, Andy
Tincani, Matt
Frost, Lori
