POPOV, V.; KRAJNJUCHENKO, I. System as a scientific concept. Physics of Consciousness and Life, Cosmology and Astrophysics, [S. l.], v. 13, n. 1, p. 55–63, 2013. Disponível em: https://physics.socionic.info/index.php/physics/article/view/75. Acesso em: 30 jan. 2023.