https://uomosul.edu.iq/libcentral/%d8%a7%d9%84%d8%a7%d9%85%d9%8a%d9%86-%d8%a7%d9%84%d8%b9%d8%a7%d9%85-%d9%8a%d8%b4%d8%a7%d8%b1%d9%83-%d9%81%d9%8a-%d9%8a%d9%88%d9%85-%d8%a7%d9%84%d9%81%d8%b9%d8%a7%d9%84%d9%8a%d8%a7%d8%aa-%d8%a7%d9%84/