Robbins, Judd. <br/><br/>
Mastering DOS 5 / 
Judd Robbins. 
 - 3rd ed. 
 - new dehli  BPB publisher  c1991. 
 - xxx, 828 p. :  ill.   23 cm. 
<br/><br/> Rev. ed. of: Mastering DOS. 2nd ed., new & expanded ed. c1988.;Includes index.;"767-3"--Spine. 
<br/><br/><label>Dewey Class. No.: </label>510.78  / ROM