Agnes Melliana Eviyanti, et al. “Integrated System Development for Digital Charity: Analyzing Media Communication in YouTube Marapthon Live Donations and Christian Sermon-Based Donations ”. Momentum Matrix: International Journal of Communication, Tourism, and Social Economic Trends, vol. 3, no. 2, May 2026, pp. 33-46, doi:10.62951/momat.v3i2.643.