Geography, D. O. (2019). Industrial Geograpahy. Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Geography, Department Of. Industrial Geograpahy. Obafemi Awolowo University, 2019.
MLA način citiranja (9. izdanje)Geography, Department Of. Industrial Geograpahy. Obafemi Awolowo University, 2019.
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