Бирюкова, Татьяна, Анна Шалаева, and Оксана Гуцул. “Quot”;. Modern engineering and innovative technologies 1, no. 04-01 (June 30, 2017): 29–34. Accessed April 19, 2025. https://moderntechno.de/index.php/meit/article/view/meit04-01-007.