Ahmad, M. F., M. M. Billah, A. Henderson, M. Rahman, M. S. Uzzaman, A. Alamgir, M. H. Khan, T. Shirin, and M. S. Flora. “Uttar Tolarbagh Model—an Investigation of a COVID-19 Case Led to the First Localized Community Approach for Containment of COVID-19 in Dhaka City, Bangladesh, March–May 2020”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, vol. 18, no. 4, Dec. 2025, pp. 241-9, doi:10.59096/osir.v18i4.277379.