Mohiul Islam ASM, Habibur Rahman M. Spatially Closed FRW Model Leads to Einstein’s Universe with Cosmological Constant. Int. Astron. Astrophys. Res. J. [Internet]. 2022 Dec. 30 [cited 2026 Oct. 4];4(1):182-9. Available from: https://journaliaarj.com/index.php/IAARJ/article/view/75