Salma Al Azizah, U. et al. 2018. Correlation between Corporate Zakat, Capital Structures and Firm’s Performance: Case Study of Jakarta Islamic Index, Indonesia: International Journal of Zakat | ISSN: 2548 2335 | Vol. 3 (4) 2018. International Journal of Zakat. 3, 4 (Dec. 2018), 83–94. DOI:https://doi.org/10.37706/ijaz.v3i4.108.