1. Toksoy, S. E., Purely Rickart and Dual Purely Rickart Objects in Grothendieck Categories, Mediterranean Journal of Mathematics, (2021). DOI: 10.1007/s00009-021-01859-6.

2. Maurya, S. K. and Toksoy S. E., Copure direct injective modules, Journal of Algebra and its Applications, (2021). DOI: 10.1142/S0219498822501870.

3. Toksoy, S. E., Modules with minimal copure-injectivity domain, Journal of Algebra and its Applications, 18 (11), 1950201 (14 pages), (2019). DOI: 10.1142/S0219498819502013.

4. Keskin Tütüncü, D., Smith, P. F. and Toksoy, S. E., On Dual Baer Modules, Contemp. Math., Volume 609, 173-184, (2014). DOI: 10.1090/conm/609/12081.

5. Keskin Tütüncü, D. and Toksoy, S. E., Absolute Co-supplement and Absolute Co- coclosed Modules, Hacet. J. Math. Stat., 42 (1), 67-79, (2013).

6. Keskin Tütüncü, D., Toksoy, S. E. and Tribak, R., A Note on Endomorphism Rings of Semi-projective Modules, Math. Proc. R. Ir. Acad. 112 (2), 93–99,(2012). DOI: 10.3318/PRIA.2011.112.09.

7. Keskin Tütüncü, D., Toksoy, S. E. and Tribak, R., Noetherian and Artinian Lattices, Int. J. Math. Math. Sci., Art. ID 157169 (2012). DOI: 10.1155/2012/157169.

8. Alizade, R. and Toksoy, S. E., Cofinitely Supplemented Modular Lattices, Arab. J. Sci. Eng., 36, 919-923, (2011).

9. Alizade, R. and Toksoy, S. E., Cofinitely Weak Supplemented Lattices, Indian J. Pure Appl. Math., 40 (5), 337-346, (2009).