Warrier, Arjun. “COVID-19 Contact Tracing: Privacy-Preserving Integration Architectures for Public Health Surveillance ”. International Journal of AI, BigData, Computational and Management Studies 2, no. 1 (September 18, 2021): 88–97. Accessed September 28, 2025. https://ijaibdcms.org/index.php/ijaibdcms/article/view/247.