Verbal Behavior DVD'sTeaching Verbal Behavior in the Natural Environment: Teaching Manding (Requesting) using Sign Language. (Holly Kibbe, MS, BCBA; CherishTwigg, MS, BCBA; Establishing Operations Inc.)
Journal Articles on Verbal BehaviorDrash, P. W., High, R. L., & Tudor, R. M. (1999). Using mand training to establish an echoic repertoire in young children with autism. The Analysis of Verbal Behavior, 16, 29-44.