Title: Idārat al-taghyīr ladá al-Khalīfah al-Umawī ʻUmar ibn ʻAbd al-ʻAzīz wa-taṭbīqātuhā al-tarbawīyah
Subjects: Politics and government, Organizational change, Management, Social change
Places: Islamic Empire
People: ʻUmar II Caliph (-720)