Thomas, George Isaiah. <br/><br/>
Individualizing instruction in the elementary school / 
by George I. Thomas and Joseph Crescimbeni. 
 - New York :  Random House,  1967. 
 - xiv, 428 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography : p. 409-416. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Individualized instruction.<br/>Education, Elementary--Curricula.