A. AL-OBAYDE, M.; مؤيد. Calculating the Acceleration of the Universe by Using the Constant Time Hyper Surfaces. Rafidain Journal of Science, [S. l.], v. 24, n. 1, p. 159–164, 2025. DOI: 10.33899/rjs.2013.67593. Disponível em: https://rjps.uomosul.edu.iq/index.php/rsci/article/view/12495. Acesso em: 6 aug. 2025.