Hossain, Muhammad Sajjad, and Md Abul Kalam Azad. “Calculation of Radiation and Matter Dominant Universe by Applying the Power Law Inflation”. Journal of Bangladesh Academy of Sciences 33, no. 2 (January 8, 2010): 219–226. Accessed November 21, 2024. https://banglajol.info/index.php/JBAS/article/view/4105.