KantowskiSachs Bulk Viscous String Cosmological Model In Gravity With Time Varying Deceleration Parameter. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A1, p. 39–46, 2018. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/101247. Acesso em: 14 aug. 2026.