Who Wrote the Quran? What Sources Were Used?

Who Wrote the Quran? What Sources Were Used?
from Medieval History Book https://l.facebook.com/l.php?u=https%3A%2F%2Fyoutube.com%2Fwatch%3Fv%3D-SGzYrGzBlA%26feature%3Dshare&h=AT3ahZ05WQgFIdNte4l4hlWFdkNZy0Bxm20aHqnUfFNG_NoglUTVCFCSh0g_IGUcBcuOtKFyZwJQZ56bw81Rw9b4yPCX4FdjFIpmARleNrHgC5PJ_wZHl2Ri8ymuCZ5qrfY4iwnfgB33sQaJNyIp&s=1
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