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Okechukwu Ukaga的作品

Cover for Okechukwu Ukaga · Sustainable Development: Principles, Frameworks, and Case Studies (Hardcover Book) (2010)

Sustainable Development: Princip... (2010)

Okechukwu Ukaga

Cover for Okechukwu Ukaga · Evaluating Sustainable Development: Giving People a Voice in Their Destiny (Paperback Book) (2003)

Evaluating Sustainable Developme... (2003)

Okechukwu Ukaga