Mukushev А. ., Esenova Г. ., Dosaliev Б. ., Mukushev С., & Adilbekova Б. . (2023). Modeling the financial pyramid through the Mathcad. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, (3), 56–62. Retrieved from https://bulecon.enu.kz/index.php/main/article/view/101