1. The token economy: A motivational system for therapy and rehabilitation;Ayllon,1968
2. Some current dimensions of applied behavior analysis;Baer;Journal of Applied Behavior Analysis,1968
3. Reducing behavior problems: An operant conditioning guide for teachers;Becker,1969
4. Effects of teacher attention on study behavior;Hall;Journal of Applied Behavior Analysis,1968
5. Instructing beginning teachers in reinforcement procedures which improve, classroom control;Hall;Journal of Applied Behavior Analysis,1968