Foster, S. D. (1990). Improving the supply and use of essential drugs in Sub-Saharan Africa. Washington, D.C.: Population and Human Resources Department, The World Bank.
Citación estilo ChicagoFoster, S. D. Improving the Supply and Use of Essential Drugs in Sub-Saharan Africa. Washington, D.C.: Population and Human Resources Department, The World Bank, 1990.
Cita MLAFoster, S. D. Improving the Supply and Use of Essential Drugs in Sub-Saharan Africa. Washington, D.C.: Population and Human Resources Department, The World Bank, 1990.
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