Statistics, D. o. D. a. S. (2019). Family Planning & Population Programmes. Obafemi Awolowo University.
Lua i Stíl Chicago (17ú heag.)Statistics, Department of Demography and Social. Family Planning & Population Programmes. Obafemi Awolowo University, 2019.
Lua MLA (9ú heag.)Statistics, Department of Demography and Social. Family Planning & Population Programmes. Obafemi Awolowo University, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.