Marhon , H. K. “The Properties Of Z-Essential (z-Closed) Fuzzy Submodules”. CENTRAL ASIAN JOURNAL OF MATHEMATICAL THEORY AND COMPUTER SCIENCES, Vol. 6, no. 3, May 2025, pp. 525-33, https://cajmtcs.centralasianstudies.org/index.php/CAJMTCS/article/view/775.