Erhun, W. O. (2019). A tree model for managing medicine use and supply. Obafemi Awolowo University Press Limited.
Lua i Stíl Chicago (17ú heag.)Erhun, Wilson Oyekigho. A Tree Model for Managing Medicine Use and Supply. Obafemi Awolowo University Press Limited, 2019.
Lua MLA (9ú heag.)Erhun, Wilson Oyekigho. A Tree Model for Managing Medicine Use and Supply. Obafemi Awolowo University Press Limited, 2019.
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