Meacham, Jac D. <br/><br/>
Programmed instruction teaching manual / 
Jac D. meacham,ill. by R.W. Seehorn. 
 - [2nd ed.]. 
 - [La Mesa, CA :  J. Ravin,  1964] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction.