Michael, Alex, <br/><br/>
Marketing through search optimization :  how people search and how to be found on the Web / 
Alex Michael and Ben Salter. 
 - 2nd ed. 
 - xiv, 236 páginas :  ilustraciones 
<br/><br/><label>ISBN: </label>0750683473 9780750683470 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mercadeo por internet.<br/>Motores de búsqueda.
<br/><br/><label>Dewey Class. No.: </label>658.8  / M621m 2008