Birdsall, N., Levine, R., & Ibrahim, A. (2005). Towards universal primary education: Investments, incentives, and institutions. Sterling, Va. : Earthscan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirdsall, Nancy, Ruth Levine, और Amina Ibrahim. Towards Universal Primary Education: Investments, Incentives, and Institutions. London: Sterling, Va. : Earthscan, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBirdsall, Nancy, et al. Towards Universal Primary Education: Investments, Incentives, and Institutions. Sterling, Va. : Earthscan, 2005.
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