1. First: Arabic sources:
2. Ibrahim, Marwan Abdul Majeed, (2000), the foundations of scientific research for the preparation of letters, first edition, - Al-Warraq Publishing and Distribution Corporation, Amman.
3. Abu Zaiz’a, Abdullah Yousef (2013) Theoretical trends in counseling and psychotherapy, Zamzam Publishing and Distribution, Amman, Jordan
4. Abu Allam, Ragaa and Sharif, Nadia Mahmoud, (1989), individual differences and their educational applications, Kuwait, Dar Al-Ilm.
5. Al-Asadi, Saeed Jassim and Faris, Sundus Aziz, (2015), Scientific Research Methods in Educational Sciences: Psychological, Social, Administrative and Fine Arts: Analytical and Applied Presentations, Baghdad - Iraq: Dijla Library for Printing and Publishing.