Stefanus, Tonny Andrian. “Zakat and Protestant Diakonia in Indonesia: A Comparative Study of Religious Welfare, Institutional Difference, and Interfaith Social Cooperation”. International Journal of Religious and Interdisciplinary Studies (IJoRIS), vol. 3, no. 2, Nov. 2026, pp. 95-108, https://doi.org/10.64529/ttmv0j27.