Team, S. “2-Absorbing and Weakly 2-Absorbing Submodules: Ahmad Yousefian Darani, Fatemeh Soheilnia”. Thai Journal of Mathematics, vol. 9, no. 3, Dec. 2011, pp. 577-84, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/287.