https://schooltv.nl/video/nieuwsuur-in-de-klas-het-ontstaan-van-is/https://schooltv.nl/video/de-geschiedenis-van-het-kalifaat-van-is-islamitische-staat-onder-vuur/https://schooltv.nl/video/het-midden-oosten-de-zwarte-vlag-van-het-kalifaat/https://www.youtube.com/watch?v=-PqqGwVoBUE&ab_channel=Nieuwsuurhttps://www.youtube.com/watch?v=aPoKJIB_1ps&ab_channel=LUCISLeidenUnivhttps://www.youtube.com/watch?v=9w5D-3jS4eY&ab_channel=Theowlsarenotwhattheyseem.