1. W3C Web Accessibility Initiative. https://www.w3.org/WAI/fundamentals/accessibility-principles/. Accessed 22 Feb 2019
2. Kesswani, N., Kumar, S.: Accessibility analysis of websites of educational institutions. Perspect. Sci. 8, 210–212 (2016)
3. Abanumy, A., Al-Badi, A., Mayhew, P.: e-Government website accessibility: in-depth evaluation of Saudi Arabia and Oman. Electron. J. e-Gov. 3(3), 99–106 (2005)
4. Isa, W.A.R.W.M., et al.: Assessing the usability and accessibility of Malaysia e-government website. Am. J. Econ. Bus. Adm. 3(1), 40–46 (2011)
5. Olalere, A., Lazar, J.: Accessibility of US federal government home pages: section 508 compliance and site accessibility statements. Gov. Inf. Q. 28(3), 303–309 (2011)