1. The Holly Qur’an.
2. Ibrahim, Muhammad (2001): How to Open up to the World without Losing our Personality, Dar Al-Naba, Riyadh.
3. Abu Jadu, Salih Muhammad Ali (2004): Practical Applications in the Development of Creative Thinking Using the Problem Solving Method, Dar Al-Shorouk, 1st Edition, Amman.
4. Al-Bayati, Muhammad Suleiman Ibrahim (2001): Humanistic Ethics in the Qur’an and the Sunnah of the Prophet and Theories of Psychology. Iraqi Journal of Educational, Psychological and Sociology, Volume 1, Issue 1.
5. Jamil, Sari Asaad (2013) The Etheric Behavior and its Relationship to my Personality Patterns among Students of University of Tikrit. University of Tikrit Journal of Human Sciences, Volume (20) Issue (2).