Interplaying forces in use of mood and behaviour modifiers  [film strip] 

 -  School Health Education,  nd. 
 - 12 transparencies :  col. ;  28x25 cm. 
<br/><br/> Closed access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior modification.<br/>Mood (Psychology)