OVERVIEW OF METHODS OF PROTECTION OF ACOUSTIC INFORMATION AGAINST LEAKS BY CHANNELS FORMED BY HIGH-FREQUENCY IMPOSITIONS. International Journal of Innovative Technologies in Social Science, [S. l.], n. 3(31), 2021. DOI: 10.31435/rsglobal_ijitss/30092021/7685. Disponível em: https://rspublisher.org/index.php/ijitss/article/view/2123. Acesso em: 17 mar. 2026.