Ibodullayeva , M., M. Nurullayeva, and M. . Yaxiyaxonova. “TURLI SANOQ SISTEMASIDA ARFMETIK AMALLAR BAJARISH QOʻSHISH AYIRISH KOʻPAYTIRISH VA BOʻLISH”. Natural Sciences in the Modern World: Theoretical and Practical Research, vol. 4, no. 1, Jan. 2025, pp. 29-32, https://inlibrary.uz/index.php/zdtf/article/view/63215.