Ahmed Delbrin, Eszter K. Horváth, and Zoltán Németh: The number of subuniverses, congruences, weak congruences of semilattices defined by trees; Order (2022). https://doi.org/10.1007/s11083-022-09611-9.
Ahmed, Delbrin, and Gábor Czédli. "(1+ 1+ 2)-generated lattices of quasiorders." Acta Scientiarum Mathematicarum 87.3 (2021): 415-427.
Ahmed, Delbrin, and Eszter K. Horváth. "The first three largest numbers of subuniverses of semilattices." Miskolc Mathematical Notes 22.2 (2021): 521-527.
Ahmed, Delbrin, and Eszter K. Horváth. "Yet Two Additional Large Numbers of Subuniverses of Finite Lattices." Discussiones Mathematicae: General Algebra & Applications 39.2 (2019).
Ahmed, Delbrin, Gábor Czédli, and Eszter K. Horváth. "Geometric constructibility of polygons lying on a circular arc." Mediterranean Journal of Mathematics 15.3 (2018): 1-14.
SALIH, Muwafaq M.; AHMED, Delbrin H.. α-Q-fuzzy Subgroups. Academic Journal of Nawroz University, [S.l.], v.6, n.3, p.26-31, july 2017. ISSN 2520-789X. http://journals.nawroz.edu.krd/index.php/ajnu/article/view/74. Doi: https://doi.org/10.25007/ajnu.v6n3a74.
AHMED, DELBRIN H., and NAEEM A. ASKAR. "Parallelize and analysis lu factorization and quadrant interlocking factorization algorithm in openmp." Journal of Duhok University (2018): 46-53.
ABDULLAH, HONER N., DELBRIN H. AHMED, and MUWAFAQ M. SALIH. "USING FIBONACCI NUMBER TO INTEGRATE 2× 2 AND 3× 3 MATRICES." Journal of Duhok University 21.1 (2018): 1-5.