Tiwari, Harendra Nath <br/><br/>
Fundamentals of computers and information system  Fundamentals of computers and information system, New Delhi : International Book Pvt ltd, 2012 
Harendra Nath Tiwari 
 - New Delhi  International Book Pvt ltd  2012 
<br/><br/><label>Dewey Class. No.: </label>003.54