Elfqi AA. Causes of Delays in Construction Projects in Many Developing Countries. GJT [انترنت]. 1 يوليو، 2017 [وثق 28 أكتوبر، 2026];1(2):50-66. موجود في: https://gjt.scitech-gh.edu.ly/ojs-3.3.0-16/index.php/gjt_Journal/article/view/83