Afonja, A. .. (2019). Materials, Energy and the Environment. Obafemi Awolowo University Press Limited.
Čikaški stil citiranja (17. izdanje)Afonja, Adeniyi .A. Materials, Energy and the Environment. Obafemi Awolowo University Press Limited, 2019.
MLA način citiranja (9. izdanje)Afonja, Adeniyi .A. Materials, Energy and the Environment. Obafemi Awolowo University Press Limited, 2019.
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