Okechukwu Ukaga
Okechukwu Ukaga
1961
3 ספרים במאגר
ספרים
Sustainable developmentOkechukwu Ukaga
Sustainable development
Okechukwu Ukaga · 2010
Evaluating sustainable developmentOkechukwu Ukaga
Evaluating sustainable development
Okechukwu Ukaga · 2004
Natural resources, conflict, and sustainable developmentOkechukwu Ukaga
Natural resources, conflict, and sustainable development
Okechukwu Ukaga · 2012