Al-Zoubi, Khaldoun Falah, and Farah Al-Turman. 2019. “On Graded 2-Classical Prime Submodules of Graded Modules over Graded Commutative Rings”. Proyecciones (Antofagasta, On Line) 38 (4):753-61. https://doi.org/10.22199/issn.0717-6279-2019-04-0049.