Rowntree, Derek <br/><br/>
Basically branching  / 
Derek Rowntree. 
 - London :  Macdonald,  1966. 
 - x, 209 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>371.3944