BOSE, L. S. . A Study of the Extragalactic UV Radiation in Helix Nebula using GALEX. Walailak Journal of Science and Technology (WJST), [S. l.], v. 18, n. 18, p. Article 23982 (9 pages), 2021. DOI: 10.48048/wjst.2021.23982. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/23982. Acesso em: 19 aug. 2022.