Dr. Asma Kanwal, Dr. Raheela Noor Memon, Sadaf Fatimah and Dr. Sajid Siyal 2025. An Empirical Study of the Prevalence of Free-living Protozoans from the River Indus, Sindh, Pakistan. Open Access Public Health and Health Administration Review. 4, 1 (Jun. 2025), 1–8. DOI:https://doi.org/10.59644/oaphhar.4(1).181.