1. World Health Organization (1986) Conference of Experts on the Rational Use of Drugs (Nairobi, Kenya, 25-29 November 1985): Report by the Director-General.
https://apps.who.int/iris/handle/10665/162006
2. World Health Organization (2003) Adherence to Long-Term Therapies: Evidence for Action. https://apps.who.int/iris/handle/10665/42682
3. World Health Organization (2010) The World Health Report: Health Systems Financing: The Path to Universal Coverage.
https://apps.who.int/iris/handle/10665/44371
4. Promoting Rational Use of Medicines (No Date).
https://www.who.int/activities/promoting-rational-use-of-medicines
5. Irrational drug use and its associated factors at Debre Markos Referral Hospital’s outpatient pharmacy in East Gojjam, Northwest Ethiopia