Okonjo-Iweala, Ngozi (1981). Credit policy, rural financial markets, and Nigeria's agricultural development (Thesis). Massachusetts Institute of Technology. hdl:1721.1/46400. OCLC08096642.
Okonjo-Iweala, Ngozi (1981). Credit policy, rural financial markets, and Nigeria's agricultural development (Thesis). Massachusetts Institute of Technology. hdl:1721.1/46400. OCLC08096642.
wsb.com
"Ngozi Okonjo-Iweala". Washington Speakers Bureau. Archived from the original on 18 March 2020. Retrieved 8 May 2017.