García Alcázar, Ana María, <br/><br/>
Firma digital, certificado electrónico y factura electrónica / 
Ana Ma. García Alcázar. 
 - 1 online resource :  illustrations. 
 - Ra-Ma empresa .
 - Empresa (Ra-Ma Editorial) .
<br/><br/><label>ISBN: </label>9788499649917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital signatures--Spain.<br/>Electronic invoices--Spain.<br/>Electronic contracts--Spain.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>K564.C6 ebook 
<br/><br/><label>Dewey Class. No.: </label>346.022