Ismoilov , D. J. o‘g‘li ., and Begaliyev B, Raximov M, Siddiqov R, Mixliyev Sh, Ortiqov H. “VALIKLI VA KONUSLI MAYDALAGICHLARNING AFZALLIKLARI”. Journal of Integrated Education and Research, vol. 1, no. 6, Nov. 2022, pp. 200-2, http://ojs.rmasav.com/index.php/ojs/article/view/513.