Bozorov, M. M. ., S. S. o’g’li . Fayziev, and M. N. qizi . Mengliyeva. “Use of Software Products in Serial Calculation of Coordinate Systems”. European Multidisciplinary Journal of Modern Science, vol. 5, Apr. 2022, pp. 71-76, https://emjms.academicjournal.io/index.php/emjms/article/view/220.