References
Sources are in Persian unless otherwise specified.
Anvari, Hassan (2003, supervisor), Sokhan Concise Dictionary, Tehran, Sokhan.
Dabir-Moghaddam, Mohammad (2023), Typology of Iranian Languages, Tehran, SAMT.
Kamali, Mahdi (2016), "The Colloquial (Broken) Form of the Copular Verb »ast« in Early Persian", Gozaresh-e Miras, Vol. 1, No. 74, Spring and Summer, pp. 33-35.
Natel-e Khanlari, Parviz (1998), Persian Grammar, Tehran, Tous.
Rasekh-Mahand, Mohammad (2010), "Persian Clitics beside Verbs", Pazhouheshha-ye Zabanshenasi, Vol. 2, No. 2, pp. 75-85.
Shari‘at, Mohammad-Javad (1966), Persian Grammar, Tehran, Asatir.
Sharifi, Shahla and Leila Tabeshfar (2018), "The Development of the Verb »to be« (ast) in Persian", First National Conference on Literary Research with a Comparative Studies Approach, Tehran, pp. 275-292.
Tabibzadeh, Omid (2019), Orthography of Colloquial Persian (Based on Works of Fiction and Drama, Spanning a Century (1918–2028)), Tehran, Institute for Humanities and Cultural Studies.