1. ONS20162017-03-21Internet users in the UK: 2016 https://www.ons.gov.uk/businessindustryandtrade/itandinternetindustry/bulletins/internetusers/2016%23main-pointsb.%20
2. Gsmaintelligence2017-03-21Definitive data and analysis for the mobile industry https://www.gsmaintelligence.com/
3. Mobile Phones and Mental Well-Being: Initial Evidence Suggesting the Importance of Staying Connected to Family in Rural, Remote Communities in Uganda
4. Global harnessing of advanced mHealth for community mobilization