Exploring the internet/  English. 
Clive C. Sanford. 
 - Chicago:  Richard D. Irwin, Inc.,  1995. 
 - xi, 335p.:  ill;  28cm. 
<br/><br/><label>ISBN: </label>0256181853 
<br/><br/><label>Dewey Class. No.: </label>681.14  / SAN