1. World Health Organisation. WHO guideline: Recommendations on digital interventions for health system strengthening. Geneva, Switzerland: World Health Organisation 2019. Report No.: ISBN 978-92-4-155050-5. [cited 2023 March 17]. Available from: https://www.who.int/publications/i/item/9789241550505.
2. World Health Organisation. mHealth: use of mobile wireless technologies for public health. Geneva, Switzerland: World Health Organisation 2016 27 May 2016. Contract No.: EB139/8. [cited 2023 March 17]. Available from: https://apps.who.int/iris/handle/10665/250808.
3. World Health Organisation. Global diffusion of eHealth: Making universal health coverage achievable. Geneva, Switzerland: World Health Organisation 2016. [cited 2023 March 17]. Available from: https://www.afro.who.int/publications/global-diffusion-ehealth-making-universal-health-coverage-achievable.
4. World Health Organisation. Mobile technologies for oral health: an implementation guide. Geneva, Switzerland: World Health Organisation and International Telecommunication Union; 2021. [cited 2023 March 17]. Available from: https://www.who.int/publications/i/item/9789240035225.
5. World Health Organisation. Draft Global Strategy on Oral Health. Geneva, Switzerland: World Health Organisation 2021. [cited 2023 March 17]. Available from: https://www.who.int/publications/m/item/who-discussion-paper-draft-global-strategy-on-oral-health.wit.