PROBLEMS OF MECHANICAL ENGINEERING DEVELOPMENT IN UKRAINE. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2022 Jun. 30 [cited 2025 May 16];2(30):81-9. Available from: https://www.echas.vnu.edu.ua/index.php/echas/article/view/756