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WikiPedia: Kristian di Afrika https://www.medievalworlds.net/0xc1aa5576%200x0037... https://doi.org/10.1553%2Fmedievalworlds_no6_2017s... https://books.google.com/books?id=Wux0lWbxs1kC&q=k... https://www.refworld.org/docid/49749d2b2d.html https://books.google.com/books?id=Sk6tAUL5ZWYC http://www.historyworld.net/wrldhis/PlainTextHisto... https://books.google.com/books?id=gSgL0jozFZwC&q=b... https://books.google.com/books?id=Va6oSxzojzoC&q=m... http://www.africanchristian.org/ https://www.academia.edu/download/35579953/Cinnamo...