Duncan, E. R. (2012). A Role for the University of Ife in Increasing Agricultural Production. Obafemi Awolowo University Press.
Lua i Stíl Chicago (17ú heag.)Duncan, E. R. A Role for the University of Ife in Increasing Agricultural Production. Obafemi Awolowo University Press, 2012.
Lua MLA (9ú heag.)Duncan, E. R. A Role for the University of Ife in Increasing Agricultural Production. Obafemi Awolowo University Press, 2012.
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