Akin, J. S. (1985). The Demand for primary health services in the Third World. Rowman & Allanheld.
Lua i Stíl Chicago (17ú heag.)Akin, John S. The Demand for Primary Health Services in the Third World. Totowa, N.J.: Rowman & Allanheld, 1985.
Lua MLA (8ú heag.)Akin, John S. The Demand for Primary Health Services in the Third World. Rowman & Allanheld, 1985.
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