IBRAHIM, Hariwan Z.; SALIH, Muwafaq M. A New Type of Weakly Commutative Groups. Science Journal of University of Zakho, [S. l.], v. 5, n. 2, p. 228–231, 2017. DOI: 10.25271/2017.5.2.373. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/501. Acesso em: 6 mar. 2026.