The power positive reinforcement  [VHS Tapes]. 
C.R.M Production 
 -  Mc Graw Hill Film  1978 
<br/><br/><label>ISBN: </label> 0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Behaviour modification<br/>Psychology industrial<br/>Reinforcement (psychology)<br/>Reward (psychology)
<br/><br/><label>Dewey Class. No.: </label>BF/637  / POW