Research:
Abdullah, Y. S, and S. M. A. Abdullah, (2013) “Monogenean Infections on Fishes from Darbandikhan Lake in Kurdistan Region, Iraq” Basrah J. Agric. Sci., Vol. 26 (Special Issue 1): 117-131.
Abdullah, Y. S, and S. M. A. Abdullah, “Protozoans Infections of some Fish Species from Darbandikhan Lake in Kurdistan Region, Iraq” Kurd. Acad. J., -A-, Special Issue: 1st International Conference of Agricultural Sciences, 20-21 Nov. 2013, 85-91.
Abdullah, Y. S, and S. M. A. Abdullah, (2014) “Dactylogyrus scrjabienensis (Monogenea: Dactylogyride) First Occurrence on the Gills of Capoeta trutta from Iraq. J. Univ. Zakho, Vol. 2(A), No. 2, 299-303.
Abdullah, Y. S, and S. M. A. Abdullah, (2015). Observasions on fishes and their parasites of Darbandikhan lake, Kurdistan region in north Iraq. American Journal of Biology and Life Sciences, Vol. 3(5): 176-180.
Abdullah, Y. S., and S. M. A. Abdullah, (2015). The parasitic infections of some freshwater fishes from Darbandikhan lake, Kurdistan region, Iraq. Journal of Garmyan University, 2nd Scientific Conference, May 6th and 7th, 2015., Vol. 2 (Special issue): 874-884.
Abdullah, Y. S., and S. M. A. Abdullah, (2016). Dactylogyrus dulkeiti Bychowsky, 1936 (Monogenea: Dactylogyride): first occurrence on the gills of Carassius auratus Linnaeus, 1758 from Dukan Lake in Kurdistan Region, Iraq. Kurdistan Journal of Applied Research (KJAR). Volume (1), Issue (1):66-69.
Abdullah, Y. S., and S. M. A. Abdullah, (2016). Recording three species of Paradiplozoon (Monogenea) from cyprinid fishes in some watersheds in Sharbazher area, Sulaimani city, north of Iraq. Journal of University of Duhok (JUD), Volume (19), Number (1), (Agric. And Vet. Science): 19-25. (special Issue) The 2nd Scientific Agricultural Conference. (April 26 and 27th 2016).
Freyhof, J., Y. S. Abdullah, K. Ararat, I. Hamad & M. F. Gelger, (2016). Eidinemacheilus proudlovei, a new subterranean loach from Iraqi Kurdistan (Teleostei; Nemacheilidae). Zootaxa, 4173 (3): 225–236.
Freyhof, J., and Y. S. Abdullah, (2017). Two new species of Oxynoemacheilus from the Tigris drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae). Zootaxa, 4238 (1): 073-087.
Bilal, S. J., S. K. Rahman, Y. S. Abdullah & S. M. A. Abdullah, (2017). First record of Rhabdochona (Rhabdochona) longispicula (Nematoda) in Glyptothorax kurdistanicus from Greater Zab river, Kurdistan Region/Iraq. ZJPAS, 29 (1): 48-53.
Abdullah, Y. S. and S. M. A. Abdullah, (2018). Ichthyofauna of Darbandikhan lake in Kurdistan Region, Iraq. ZJPAS., 30(6): 130-134.
Abdullah, Y. S., S. J. Bilal, Rahman S. K., S. M. A. Abdullah, (2019). Study of Helminthes in Glyptothorax kurdistanicus (Actinopterygii: Sisoridae) in Greater Zab and Lesser Zab Rivers, Kurdistan Region, Iraq. ZJPAS, 31(s4): 131-137.
Abdullah, Y. S., S. M.A. Abdullah, and R. H. Hussein, (2020). Biodiversity of fishes in Sulaimani Province in Kurdistan Region, Iraq. ZANKO Journal for Pure and Applied Science, 32(1): 39-44.
Abdullah, Y. S., S. M.A. Abdullah, and R. H. Hussein, (2021). Morphology and Molecular Studies of Contracaecum Larvae (Nematoda: Anisakidae) in Some Fish Species from Sulaimani Province, Kurdistan Region, Iraq. Basrah Journal of Agricultural Sciences (BJAS), 34(1): 93-110.
Abdullah, Y. S., S. M.A. Abdullah, and R. H. Hussein, (2021). Ultramorphology and Molecular Studies of Contracaecum larvae (Nematoda: Anisakidae) collected in five Cyprinid fish species in Sulaimani Province, Kurdistan Region-Iraq. Helminthologia, 58(1): 41-58.
Freyhof, J., C. Kaya, Y. S. Abdullah & M. F. Gelger, (2021). The Glyptothorax catfishes of the Euphrates and Tigris with the description of a new species (Teleostei: Sisoridae). Zootaxa, 4969 (3): 453–491.
Abdullah, Y. S. (2021). Gyrodactylus angorae (Monogenea: Gyrodactylidae): first occurrence on the body of two nemachilid fishes from Iraq. ZANKO Journal of Pure and Applied Sciences, 33(5): 51-56.
Abdullah, Y. S. (2021). The first record of Gyrodactylus decorus Malmberg, 1957 (Monogenea: Gyrodactylidae): on Alburnus mossulensis in Iraq. Journal of Zankoy Sulaimani Part –A (JZS-A), 23(2): 77-82.
Abdullah, Y. S. (2022). The monogenean Paradiplozoon zeller (Gyntovt, 1967): first record in Iraq from gills of Alburnus mossulensis Heckel, 1843. Biological and Applied Environmental Research (BAER), 6(1): 35-43.
Karim, D. O, K. H. Azeez & Y. S. Abdullah (2022). Seroprevalence of Toxoplasma gondii among ocular infection patient in Shahid Dr. Aso Hospital in Sulaimani City, Iraq. International Journal of Health Sciences, 6(S9), 31–39.
Abdullah, Y. S., S. J. Bilal, T. A. Hama Soor & Y. O. Mohammad. (2023). Surface Ultrastructure and Molecular Studies of Clinostomum complanatum (Rudolphi, 1814) Braun, 1899 (Trematoda: Clinostomidae) Metacercariae in some Freshwater Fishes from Sulaimani Province, Iraq. Basrah J. Agric. Sci., 36(2), 81-98.
Hallaq, S. J. H-A., Y. S. Abdullah & S. J. Bilal. (2024). Seasonal variation, group/ solitary behavior occurrence and reproduction time of the predator leech Helobdella stagnalis (Hirudenia: Glossiphoniidae) in Sarchnar Stream/ Sulaymaniah Province, Kurdistan Region- Iraq. ZJPAS (2024) , 36(2);1-9 .