1. World Health Organization (2020). Basic Documents, World Health Organization. [49th ed.].
2. How should we define health?;Huber;BMJ,2011
3. World Health Organization (2021, June 28). Ottawa Charter for Health Promotion. Available online: https://www.euro.who.int/en/publications/policy-documents/ottawa-charter-for-health-promotion.
4. Epp, J.I. (2021, June 28). Achieving Health for All: A Framework for Health Promotion. Available online: http://www.hc-sc.gc.ca/hcs-sss/pubs/system-regime/1986-frame-plan-promotion/index-eng.php.
5. British Medical Association (2021, June 28). Improving the Nation’s Diet: Action for a Healthier Future. Available online: https://www.bma.org.uk/what-we-do/population-health/drivers-of-ill-health/improving-the-nation-s-diet-action-for-a-healthier-future.