Umbral Cientifico /  [electronic resource]. 
Universidad Manuela Beltrán 
<br/><br/> Title from content provider. 
<br/><br/><br/>Mode of access: World Wide Web. 
<br/><br/><label>ISSN: </label>1692-3375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Revistas electronicas.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic journals.
<br/><br/><label>Dewey Class. No.: </label>378.056  / U548u