Statistics, D. o. D. a. S. (2019). Population and Environment. Obafemi Awolowo University.
Cita Chicago (17th ed.)Statistics, Department of Demography and Social. Population and Environment. Obafemi Awolowo University, 2019.
Cita MLA (9th ed.)Statistics, Department of Demography and Social. Population and Environment. Obafemi Awolowo University, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.