1. 1. Abu-Alkās, Faten Abdulrāzik. (2012). The role of differentiated supervision in developing the teachers'performance in elementary basic stage from the view points of supervisors and teachers in Gaza Governorate schools (in Arabic) [Unpublished Master thesis]. Jāmiat Al'azhar, Ghaza.
2. 2. Al-Alawi, M. (2014). A proposed suggestion for activating educational supervision in post-basic education schools in Muscat governorate in light of the differentiated supervision model (in Arabic) [Unpublished Master thesis]. Jāmiat Nizwa, Saltanat 'umān.
3. 3. Al-Āmri, A. (2008). A proposed vision of the technical tasks of educational supervisors in the Sultanate of Oman in the light of contemporary trends (in Arabic) [Unpublished Master thesis]. Ma 'ahad aldirāsāt altarbawiyaa, Al-Jāmia Al-Arabiyah, Egypt.
4. 4. Al-Awrān, I. (2020). Al al'ishrāf altarbawi wa mushkilātuh: dirasah maidaniyah taqwīmiyah (in Arabic), Ammān: Dār Yāfa lilnashr waltawzīa'.
5. 5. Al-Bustān, A., Abdulgawād, A., & Paules, W. (2010). Al'idārah wal'ishrāf altarbawi alnadhariyah, walbahth, waltatbiq (in Arabic), Alkuwait: Maktabat Al-Fallāh lilnashr waltawzīa'