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