Feyisetan, B. J., & Ainsworth, M. (1994). Contraceptive use and the quality, price and availability of family planning in Nigeria. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFeyisetan, Bamikale J., और Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. Washington, D.C: World Bank, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFeyisetan, Bamikale J., और Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. World Bank, 1994.
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