WAGH, S. M. On the constancy of the speed of light in vacuum for all observers. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 10, n. 1, p. 2534–2537, 2015. DOI: 10.24297/jap.v10i1.1337. Disponível em: https://rajpub.com/index.php/jap/article/view/1337. Acesso em: 2 may. 2024.