Articles
http://not-just-a-tester.blogspot.in/2012/08/usability-testing-check-list.html
https://www.guru99.com/usability-testing-tutorial.html
http://www.softwaretestinghelp.com/usability-testing-guide/
https://www.tutorialspoint.com/software_testing_dictionary/usability_testing.htm
https://blog.testlodge.com/what-is-usability-testing-with-example/
http://not-just-a-tester.blogspot.in/2012/08/usability-testing-check-list.html
https://www.guru99.com/usability-testing-tutorial.html
http://www.softwaretestinghelp.com/usability-testing-guide/
https://www.tutorialspoint.com/software_testing_dictionary/usability_testing.htm
https://blog.testlodge.com/what-is-usability-testing-with-example/