Document Type

Conference Proceeding

Publication Date



Permission granted to deposit this fulltext by INTED2021 Technical Secretariat. See See also



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.