1. I.A.Abdullah and I.S.Hasan , (1987) , Ectoparasites of the long-eared hedgehog Hemiechinus auritus Gemlin in Ninevah district, Iraq , Journal biology science research , 18(2):43-52.
2. I.S.Hasan and I.A.Abdullah ,(1987), The paresites of the house sparrow,passer domesticus in Ninevah district, Iraq, Journal of education and science Mosul, Iraq. 5:61-72.
3. I.S.Hasan and I.A.Abddullah, (1989), Helminth parasites of the digestive tract of lizards in Ninevah district ,Iraq , Journal of education and science Mosul,Iraq. 9:87-99.
4. I.A.Abdullah and I.S.Hasan ,(1989), Helminth parasites of the hedgehoge Hemiechinus auritus (Gmelin,1770) from Ninevah district, Iraq ,Journal of education and science Mosul,Iraq.8:75-89.
5. I.S.Hasan ,N.E.Salih and I.A.Abdullah (1993), First record in Iraq of Vampirolepis Pipistrelli and Pseudophysaloptera species from the bat Pipistrellus kuhli,Journal rivista parasitologica.X(LIV)(1):141-146.
6. I.S.Hasan (1994) New host for the cestode Raillietina (Raillietina) tetragona and the nematode Hartertia species, Journal of education and science Mosul, Iraq.15:148-195.
7. K.M.Saleem and I.S.Hasan (1994), Prevalence of the cestodes Anonchotaenia globata and Raillietina (R.) species among wild birds in Ninevah district, Iraq.20:70-78.
8. I.Sawada, I.S.Hasan and K.M.Saleem(1994), On cestodes parasites from Iraqi birds.Bulletin of the biogeographical society of Japan.49(2):93-97.
9. I.S.Hasan and I.A.Majthab (2002), Hibernation in the bat Pipistrellus kuhli in Ninevah district,Iraq,Journal of education and science Mosul,Iraq.14(3):13-20.
10. I.S.Hasan and I.A.Majthab (2002), Pregnancy and birth in the bat Pipistrellus kuhli in Ninevah district,Iraq,Journal of education and science Mosul,Iraq.14(4):9-23.
11. I.S.Hasan and I.A.Majthab (2002), Storage of semen in the female bat Pipistrellus kuhli in Ninevah district,Iraq,Tikrit Journal for pure science,Iraq.8(1):1-12.
12. I.S.Hasan and R.H.Mohammed(2005), Sexual cycle and morphological and histological changes in testes and epididymis of the male bat Pipistrellus kuhli in Ninevah district,Iraq,Journal of education and science Mosul,Iraq. 17(1):130-148.
13. I.S.Hasan and G.T.Younis (2006), Development of the eye in the embryonic and early larval stages for the amphibian urodele Neurergus crocatus crocatus Cope .Journal of education and science Mosul,Iraq. 18(4)43-66.
14. H.M.Hamodi , I.S.Hasan and S.Y.Kasem (2009), A study on the embryonic development and histological structure of the auditory organ in the amphibian urodele Neurergus crocatus crocatus Cope. Journal of education and science Mosul, Iraq.22(2):242-269.
15. H.M.Hamodi , I.S.Hasan and S.Y.Kasem (2009), A study on the embryonic development and histological Structure of the olfactory organ in the urodele Neurergus crocatus crocatus Cope. Journal of education and science Mosul, Iraq.22 (4):10-37.
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16. I have published one text book with two volumes:
The Chordates vol. 1: Systematic Chordates and vol. 2: Comparative Anatomy of the Chordates
