S. Ismael, I. Sulaiman, K. Marof, and H. Awad, “A Retrospective Detecting of Gastrointestinal Protozoan Parasites and their Prevalence at General Shekhan Hospital, Shekhan District, Duhok, Iraq”, Al-Kitab J. Pure Sci., vol. 10, no. 01, pp. 30–41, May 2026.