Geography, D. o. (2019). Quantitative Techniques in Geography. Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Geography, Department of. Quantitative Techniques in Geography. Obafemi Awolowo University, 2019.
MLA način citiranja (9. izdanje)Geography, Department of. Quantitative Techniques in Geography. Obafemi Awolowo University, 2019.
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