NAIR, R. Roger Penrose with Ranjit Nair. Summerhill: IIAS Review, [S. l.], v. 4, n. 1, p. 3–6, 2020. Disponível em: http://14.139.58.200/ojs/index.php/summerhill/article/view/655. Acesso em: 15 may. 2025.