Sources from the Lecture 15 May 2018 http://mcom.cit.ie/staff/Computing/prothwell/hci/soft6002/proto/checklists/General%20Usability%20Checklist.pdf
https://www.nngroup.com/articles/ten-usability-heuristics/
https://www.nngroup.com/articles/how-to-conduct-a-heuristic-evaluation/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4177852/
