Afkhami, A. (1968). What is it?, Bookan.
Ahmadi Dehgolan, M. (1989). 1001 Enigma and riddle. Ahmadi.
Ahmadi, A. (2010). Kurdis Enigma and riddle. College.
Ayubian Markazi, S. O. (1982). Come and learn what the Kurdish enigmas are? Movafagh.
Blockbashi, A. (2009). Living in your own culture and looking at other cultures. Gol Azin.
Ferdowsi, A. (2008). Shahnameh (edited by Jalal Khaleghi Motlagh). Sokhan.
Forouzeh, A. (2020). Enigma. Bijan Yurd Publishing.
Jafari Qanavati, M. (2015). An introduction to Iranian folklore. Jami.
Karimpour, K. (2015). Enigma in Kalhori Kurdish literature. Author.
Marduk Rouhani, M. (2009). Kurdish-Persian dictionary of university of Kurdistan. University of Kurdistan.
Mawzuni, R. (2017). Forty shelfs, forty and a half shelfs (Research on native grasslands of Kermanshah province). Introduction.
Nuri Lak, H. (2009).1500 Kurdish enigma. Chowar Chera.
Parsa, S. A. (2016). Analysis of Iranian folklore, relying on Kurdish oral literature. Culture of Kurdistan, 28, 11-22.
Parsa, S. A. (2022). Rhetorical analysis of enigma in folklore. Culture and folklore Literature, 10(43), 161-182.
Payaniani, P. (2006). Mokrian oral culture. Hiva.
Qais Razi, Sh. (1995). The culture of criteria of Iranian poetry (edited by Sirus Shamisa). Ferdows Publishing.
Sadraddin Nooruddin, A. (2005). Kurdish folklore enigmas. Ministry of Culture.
Safa, Z. (1985). Treasure of speech. Nashramir Kabir.
Sajadi, A. (1978). Texts of Kurdish literature. Kurdish Information Group.
Sharafkandi, A. (2007). Dictionary of Kurdish- Kurdish Hanbana Borina. Soroush.
Shohani, A. R. (1995). Classification of the subjectal of Kurdish enigmas. Popular Culture and Literature, 2(1), 135-158.
Tafazli, A. (2015). History of pre-Islamic Iranian literature (edited by Zhaleh Amoozgar). Sokhan.
Tamimdari, A. (2011). Popular culture. Mahkameh.
Zolfaghari, H. (2013). Morphology of local poetic enigma. Bi-Quarterly Journal of Popular Culture and Literature, 1, 116-93
Zolfaghari, H. (2016). Folk language and literature of Iran. Samt.