Yusupov АF, Galiullina GR, Yusupova NM, Kajumova ZM. Grammatical development and functioning of the arab verbal forms in the old Tatar language of the 19th century. AmazInv [Internet]. 2018 Apr. 30 [cited 2025 Sep. 15];7(13):117-22. Available from: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/501