Thomas, D R <br/><br/>
Certification of behavior analysts in Minnesota.  [electronic resource] 

 -  The Behavior analyst  1979 
 - 1-13 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0738-6729 
<br/><br/><label>Standard No.: </label>10.1007/BF03391828  doi