Hameed FN, Kalaf KS. On NM-Hollow Modules. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2021 Mar. 4 [cited 2024 Nov. 21];13(1):Math Page 168– 172. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/765