Umbul Jati Satrio. “OPTIMAL CAPITAL STRUCTURE ANALYSIS USING COST OF CAPITAL APPROACH: CASE STUDY OF PT TOWER BERSAMA INFRASTRUCTURE TBK”. International Journal of Accounting, Finance and Business 7, no. 43 (September 30, 2022). Accessed October 7, 2024. https://academicinspired.com/ijafb/article/view/513.