Statistics, D. o. D. a. S. (2019). Census Principles, Editing and Management II. Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Statistics, Department of Demography and Social. Census Principles, Editing and Management II. Obafemi Awolowo University, 2019.
MLA način citiranja (9. izdanje)Statistics, Department of Demography and Social. Census Principles, Editing and Management II. Obafemi Awolowo University, 2019.
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