Tohutoro APA (7th ed.)
Okigbo, C. (1995). Media and sustainable development. Kenya Litho.
Tohutoru Kātū Chicago (17th ed.)
Okigbo, Charles. Media and Sustainable Development. Nairobi: Kenya Litho, 1995.
Tohutoro MLA (9th ed.)
Okigbo, Charles. Media and Sustainable Development. Kenya Litho, 1995.
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