1. Adepetun, A. (2015, June 17). Africa’s mobile phone penetration now 67%. The Guardian, http://guardian.ng/technology/africas-mobile-phone-penetration-now-67/
2. Bacca, J., Baldiris, S., Fabregat, R., Graf, S., & Kinshuk. (2014). Augmented reality trends in education: A systematic review of research and application. Educational Technology & Society, 17(4), 133–149.
3. Bujak, K. R., Radu, I., Catrambone, R., MacIntyre, B., Zheng, R., Zheng, G. G., & Golubski, G. (2013). A psychological perspective on augmented reality in the mathematics classroom. Computers and Education, 68, 536–544.
4. Chibale, K. (2015, July 2). Higher education in Africa: Our continent needs science, not aid. The Guardian. Retrieved from https://www.theguardian.com/global-development-professionals-network/2015/jul/02/higher-education-in-africa-science-not-aid
5. Chiu, M. H. (2012). Localization, regionalization, and globalization of chemistry education. Australia Journal of Education in Chemistry, 72, 23–29.