The FLRW Universe Metric in 4+1 Spacetime Dimensional with Spherical Coordinate Invariance. Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics, [S. l.], v. 4, n. 2, p. 131 139, 2022. DOI: 10.15408/fiziya.v4i2.20554. Disponível em: https://journal.uinjkt.ac.id/al-fiziya/article/view/20554. Acesso em: 23 dec. 2025.