General history of Africa, I: Methodology and African prehistory; ...
International Scientific Committee for the Drafting of a General ... & Joseph Ki-Zerbo
The ethical leader : why doing the right thing can be the key ...
Witzel & Morgen & author
Global Dimensions of Public Administration and Governance: A ...
Jos C.N. Raadschelders & Eran Vigoda-Gadot & Mirit Kisner
Leadership in Organizations
Gary A. Yukl & William L. Gardner
Nigeria, Africa, and the United States
Olayiwola Abegunrin
...