Julianty, Dila Tirta, Amalia Listiani, and Chintya Carissa Manurung. “Pension Fund Calculation Using Projected Unit Credit, Entry Age Normal, and Attained Age Normal Method (Case Study : PT. Taspen (PERSERO) Cabang Pematang Siantar 2022)”. International Journal of Scientific Research in Science, Engineering and Technology 11, no. 2 (March 26, 2023): 83–91. Accessed May 20, 2024. http://ijsrset.com/index.php/home/article/view/IJSRSET241133.