here are 4 webpages, each webpage need 1 summary to explaining the source and data, each summary only need 1-2 paragraph.
- 1: https://newint.org/books/reference/world-development/case-studies/2013/03/14/computers-cellphones-in-developing-world/
2:
https://usa.visa.com/dam/VCOM/download/visa-everywhere/global-impact/impact-of-electronic-payments-on-economic-growth.pdf
3: https://www.gsmaintelligence.com/research/?file=97928efe09cdba2864cdcf1ad1a2f58c&download
4: https://www.cta.tech/News/Blog/Articles/2015/July/How-Mobile-Phones-Are-Changing-the-Developing-Worl.aspx