Aali J. Mohammed A, عبد, Abd Fathi M, منال. On Crossed Modules and Crossed Homomonphisms. RJCSM [Internet]. 2025 Jun. 25 [cited 2025 Aug. 7];5(2):47-58. Available from: https://ojs.uomosul.edu.iq/index.php/csmj/article/view/19932