CHAN, Wilson. Changes in Gravity Value and Anti-Gravity Application. British Journal of Physics Studies, [S. l.], v. 1, n. 1, p. 20–26, 2022. DOI: 10.32996/bjps.2022.1.1.4. Disponível em: https://al-kindipublishers.org/index.php/bjps/article/view/4557. Acesso em: 4 jul. 2025.