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APA Citation
Akers, J. S., Higbee, T. S., Pollard, J. S., Pellegrino, A. J., & Gerencser, K. R. (n.d.). an evaluation of photographic activity schedules to increase independent playground skills in young children with autism. Journal of applied behavior analysis, 49(4), 954–959. http://access.bl.uk/ark:/81055/vdc_100039702973.0x00005d