Calvin, Allen D. <br/><br/>
Programmed instruction :Bold new venture 

 - London  Indiana university press  1969 
 - 250p  24cm 
<br/><br/><label>LCCN: </label>6915993 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction
<br/><br/><label>Dewey Class. No.: </label>371.39442 C165p