البنك الدولي للإنشاء والتعمير
3. Kelley E, Klazinga N, Forde I, Veillard J, Leatherman S, et al. Delivering quality health services: a global imperative for universal health coverage WHO (PDF) OECD © World Health Organization, OECD, and International Bank for Reconstruction and Development/The World Bank, 2018 Authors;