Johnson, G. Orville. <br/><br/>
Education for the slow learners / 
by G. Orville Johnson. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1963. 
 - xxi, 330 p. :  ill. ;  22 cm. 
 - Prentice-Hall psychology series .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slow learners.<br/>Slow learning children