MAMYCHEV, A. Y.; GOLOBORODKO, A. Y.; ROMANENKO, V. B.; ISRAPILOV, A. A.; MAGOMEDRASULOV, M. N. Formal, informal and shadow power practices in the contemporary political space. Amazonia Investiga, [S. l.], v. 7, n. 14, p. 332–339, 2018. Disponível em: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/524. Acesso em: 11 sep. 2025.