Covid 19. Angel or Demon for Earth?. Neutrosophic Computing and Machine Learning. ISSN 2574-1101, [S. l.], v. 16, p. 95–103, 2021. Disponível em: http://fs.unm.edu/NCML2/index.php/112/article/view/155.. Acesso em: 20 jan. 2026.