Sabirovna, Tashmatova Shaxnoza, and Kurbanova Kabira Erkinivna. “Operatsion Tizimlarning Turlari, Operatsion Tizim Tushunchasi”. Miasto Przyszłości, vol. 49, June 2024, pp. 1297-01, https://miastoprzyszlosci.com.pl/index.php/mp/article/view/4131.