LIU, Haozhi. Evaluation and measurements of the age for the universe. Highlights in Science, Engineering and Technology, [S. l.], v. 38, p. 70–75, 2023. DOI: 10.54097/hset.v38i.5735. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/5735. Acesso em: 8 jun. 2026.