ATC Study Text Fundamentals of Information Communication Technology, Paper no 7. 

 - Kenya,  BR Professional Education,  2012. 
 - xiv, 244p.: ill.; figure   Glossary  29cm 
<br/><br/><label>ISBN: </label>978-9966-25-025-0 
<br/><br/><label>Dewey Class. No.: </label>004.7 ATC