*The Holy Quran
Abduh, M. (2010). Challenges of unity and strategies for addressing them: Examining obstacles to unity and rapprochement and ways to overcome them. Andishe-ye Taqrib, 5(20), pp. 19–30. [In Persian]
Adami, A. (2015). The essence of extremism in political Islam: Identity roots and normative actions. Journal of Political Research in the Islamic World, 5(3), pp. 29–59. [In Persian]
Amid, H. (2008). Amid Persian dictionary. Tehran: SAMT Publications. [In Persian]
Babaei, R. (2020). Faith and rationality: Explorations in the domain of religious studies and religious pathology (3rd ed.). Tehran: Arma Publications. [In Persian]
Babaei, S. (2011). Fundamental fear (G. Jamshidiha & M. Anbari, Trans., 2nd ed.). Tehran: University of Tehran Press. [In Persian]
Brijaniyan, M. (1976). Dictionary of terms in philosophy and social sciences (3rd ed.). Institute for Humanities and Cultural Studies. [In Persian]
Davoodi, S. (2010). Tawassul: Monotheism or shirk (3rd ed.). Qom: Imam Ali ibn Abi Talib Publications. [In Persian]
Dehkhoda, A. A. (1998). Dehkhoda dictionary (2nd ed.). Tehran: University of Tehran Press. [In Persian]
Faraj, M. A. (n.d.). Jihad: The forgotten obligation.
Ibn Abd al-Wahhab, M. (1990). Dar' al-Ta'arud al-Aql wa al-Naql (M. R. Salim, Ed.). Saudi Arabia: Imam Muhammad ibn Saud Islamic University Press. [In Arabic]
Ibn Abd al-Wahhab, M. (n.d.). Majmu'at Rasa'il fi Tawhid wa al-Iman (I. M. Ansari, Ed.). Riyadh: Imam Muhammad ibn Saud University.
Ibn Manzur, H. I. M. (1996). Lisan al-Arab. Beirut: Dar al-Beirut Publications. [In Arabic]
Ibn Taymiyyah, A. A. (2000). Risalat al-Tadmuriyyah: Al-Asma wa al-Sifat. Riyadh: Maktabat al-Ubaykan. [In Arabic]
Jamali, J. (2011). Theoretical model for analyzing extremism (application of constructivism theory). Journal of Afaq-e Amniyat, 4(12), pp. 145–170. [In Persian]
Mohammadi, S. H., & Mahdavian, M. H. (2015). Religious rationality and modern ignorance (1st ed.). Qom: Al-Mustafa International University Press. [In Persian]
Mouhood, M., Bromandzadeh, M. R., & Fakhrizadeh, H. (2011). Sociological approach to fundamentalism or extremism in religions. Specialized Journal of Social Sciences, Islamic University, 17, pp. 119–142. [In Persian]
Peter, H. (2021). Fundamentalism (global, local, personal) (M. Razaghi, Trans., 1st ed.). Tehran: Contemporary Vision Press. [In Persian]
Qarzawi, Y. (1981). Al-Sahwah al-Islamiyyah bayna al-jumud wa al-tatarruf. Qatar: Sharia Courts and Religious Affairs Administration. [In Arabic]
Ramadan al-Bowati, M. S. (2010). Salafism: Innovation or a school of thought? A critique of Wahhabi principles (H. Saberi, Trans., 4th ed., Preface by M. K. Khurasani). Mashhad: Astan Quds Razavi Research Foundation. [In Persian]
Wilcock, L. (2003). What is political extremism? (F. Mohajer, Trans.). Kitabe Tose’eh, 14, pp. 106–112. [In Persian]