1. Abdulakhat Kakhkharov. Yusuf Khos Khojib is a great thinker of the Turkic world. Tashkent: Navro’z, 2016 . – p.156. 2. Adib Ahmad Yugnakiy. Hibatu-l-haqayiq. In the transcription, interpretation and analysis of Kasimjon Sodiqov. Tashkent: Akademnashr, “Role Of Ancient Written Sources In The Formation Of The Old Uzbek Literary Language”, tajssei, vol. 2, no. 09, pp. 359–364, Sep. 2020.