Batty, C. D. <br/><br/>
An introduction to the Dewey decimal classification / 

 - London,  C.Bingley  [1965] 
 - 94 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal--Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>025.4  / BAT N66I