Sh. Qudratxo'jayev <br/><br/>
Internet: tarixi, tuzilishi, texnik xavfsizlik 

 - Tashkent  O'zbekiston  2011 
<br/><br/><label>ISBN: </label>9789943016446 
<br/><br/><label>Dewey Class. No.: </label>004.7