“Accelerating And Decelerating Hypersurface-Homogeneous Cosmological Models In Barberas Second Self-Creation Theory” (2012) Global Journal of Science Frontier Research, 12(F3), pp. 41–49. Available at: https://www.journalofscience.org/index.php/GJSFR/article/view/100222 (Accessed: 14 August 2026).