Boiarov, V., Larkin, M., Legkykh, K., Melkovskyi, O. y Hromova, M. (2019) «Ways of prevention of funding for youth informal groups of extremist orientation», Amazonia Investiga, 8(24), pp. 479–483. Disponible en: https://amazoniainvestiga.info/index.php/amazonia/article/view/1007 (Accedido: 19 enero 2026).