Z.A.Umarov, and Axmedov Sherbek Foziljon o’g’li. “XALQARO TO’LOV TIZIMLARI, HISOB-KITOBLARNI O‘TKAZISHNING O‘ZIGA XOS JIXATLARI”. Journal of Integrated Education and Research, vol. 2, no. 9, Sept. 2023, pp. 108-1, https://ojs.rmasav.com/index.php/ojs/article/view/1330.