Olayinka, A. (2018). SOIL MICROORGANISMS, WASTES AND NATIONAL FOOD SECURITY. Obafemi Awolowo University Press Limited.
Čikaški stil citiranja (17. izdanje)Olayinka, A. SOIL MICROORGANISMS, WASTES AND NATIONAL FOOD SECURITY. Obafemi Awolowo University Press Limited, 2018.
MLA način citiranja (9. izdanje)Olayinka, A. SOIL MICROORGANISMS, WASTES AND NATIONAL FOOD SECURITY. Obafemi Awolowo University Press Limited, 2018.
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