KYEI, K.; RAMUYA, R. DETERMINATION OF THE LEVEL AND TREND OF FERTILITY IN FOUR PROVINCES IN SOUTH AFRICA. Demography and social economy, [S. l.], v. 45, n. 3, p. 41–52, 2021. DOI: 10.15407/dse2021.03.041. Disponível em: https://ojs.dse.org.ua/index.php/dse/article/view/78. Acesso em: 7 dec. 2021.