https://uomosul.edu.iq/petroleumengineering/%d8%aa%d9%81%d9%82%d8%af-%d8%a7%d9%84%d8%a7%d8%b3%d8%aa%d8%a7%d8%b0-%d8%a7%d9%84%d8%af%d9%83%d8%aa%d9%88%d8%b1-%d8%a7%d8%a8%d9%8a-%d8%b3%d8%b9%d9%8a%d8%af-%d8%a7%d9%84%d8%af%d9%8a%d9%88%d9%87-%d8%ac/