12. Reference http://www.arabnews.com/news/459712 https://mvslim.com/10-things-you-use-every-day-that-are-invented- by-muslims/ https://mvslim.com/10-things-you-use-every-day-that-are-invented- by-muslims/ http://edition.cnn.com/2010/WORLD/meast/01/29/muslim.invention s/index.html http://edition.cnn.com/2010/WORLD/meast/01/29/muslim.invention s/index.html http://musliminc.com/the-top-10-greatest-muslim-scientists-of-all- time-6689 http://musliminc.com/the-top-10-greatest-muslim-scientists-of-all- time-6689