@incollection{:/content/books/9789210046985s006-c001, author = "United Nations", title = "Social and demographic indicators", booktitle = "African Statistical Yearbook 2019", publisher = "United Nations", year = "2020", pages = "72-83", url = "https://www.un-ilibrary.org/content/books/9789210046985s006-c001" }