ЕРСТЕНЮК, Г. М. MICROELEMENTS: HISTORY AND CONTEMPORARY. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Pulse, [S. l.], n. 4(4), p. 19–24, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/pulse/article/view/925. Acesso em: 7 dec. 2025.