1. Lim, Y.F.: Digital signature, certification authorities and the law. Murdoch Univ. Electron. J. Law 9(3) (2002)
2. www.education.gov.au
: Guidelines for the certification of documents.
https://www.education.gov.au/guidelines-certification-documents
. Accessed 10 Oct 2018
3. En.wikipedia.org: Archive.
https://en.wikipedia.org/wiki/Archive
. Accessed 20 Oct 2018
4. Kim, H.: A study on digital archiving and web archiving research analysis. Digit. Libr. 67, 52–62 (2012)
5. Cisco: Cisco Global Cloud Index.
https://www.cisco.com/c/en/us/solutions/collateral/service-provider/global-cloud-index-gci/white-paper-c11-738085.pdf
. Accessed 25 Oct 2018