Hamzaee, Reza G., Stephanie Michelle Dilley, and Mengmeng Wang. “An Analytical-Exploratory Approach to a Socially-Optimal, Sustainable, and Balancing Social Security System”. Archives of Business Research 6, no. 10 (October 14, 2018). Accessed November 22, 2024. http://116.203.177.230/index.php/ABR/article/view/5270.