References

Aldridge, A., M. White and K. Forcht, 1997. Security considerations of doing business via the Internet: Cautions to be considered. Internet Res., 7: 9-15.
Direct Link  |  

Blankenhorn, D., 1999. Charging for content. Ect New Network Inc, Los Angeles, California. http://www.ecommercetimes.com/story/306.html.

Holst, C., 2012. The state of e-commerce checkout design 2012. Smashing Magazine, Freiburg im Breisgau, Germany. https://www.smashingmagazine.com/2012/09/the-state-of-e-commerce-checkout-design-2012/.

ILS., 2016. Internet users. Internet Live Stats, India. http://www.internetlivestats.com/internet-users/.

Statista, 2013. Number of mobile phone users worldwide from 2013 to 2019. Statista, Hamburg, Germany. https://www.statista.com/statistics/274774/forecast-of-mobile-phone-users-worldwide/.