SELF, S. B. The Nature of Time - A 21st Century View. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 14, n. 1, p. 5185–5192, 2018. DOI: 10.24297/jap.v14i1.6736. Disponível em: https://rajpub.com/index.php/jap/article/view/6736. Acesso em: 4 may. 2024.