Eshmirzayev , O., and B. Rahimov. “OPERATSION HISOBNING BA’ZI KOSHI MASALALALARINI YECHISHGA TADBIQLARI”. Educational Research in Universal Sciences, vol. 3, no. 5, Apr. 2024, pp. 168-74, http://erus.uz/index.php/er/article/view/6270.