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Alkenbrack, Sarah, Christoph Kurowski, Reem Hafez, Mayowa Alade, Ayodeji Oluwole Odutolu, Ayodeji Gafar Ajiboye, Olumide Olaolu Okunola, and Benjamin Loveinsohn. Immunization Financing Assessment: Nigeria. World Bank, Washington, DC, 2021.

Alkenbrack, Sarah, et al. Immunization Financing Assessment: Nigeria. World Bank, Washington, DC, 2021.