Najdowski, A. C., Chilingaryan, V., Bergstrom, R., Granpeesheh, D., Balasanyan, S., Aguilar, B., & Tarbox, J. (2009). Comparison of data-collection methods in a behavioral intervention program for children with pervasive developmental disorders: A replication. Journal of Applied Behavior Analysis, 42(4), 827–832. https://doi.org/10.1901/jaba.2009.42-827
