Slay, Alan L. <br/><br/>
Programmed Instruction in Basic English Grammar / 
Slay, Alan L 
 - Belmont, California :  Wadsworth Publishing Co.,  c1968. 
 - viii, 492 p. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Dewey Class. No.: </label>425.O77  / SLA