Демчук, Елена, Татьяна Гужва, Наталья Власенко, Валерий Божко, and Юлия Нужнова. “ANALYSIS OF EFFICIENCY OF THE USE OF NON-MATERIAL ASSETS”. Modern engineering and innovative technologies 1, no. 02-01 (November 30, 2017): 22–29. Accessed November 24, 2024. https://moderntechno.de/index.php/meit/article/view/meit02-01-043.