Alaba, B. A. and Dejen, G. T. (2017) “Birkhoff center of Almost Distributive Fuzzy Lattice”, (IJCSAM) International Journal of Computing Science and Applied Mathematics, 3(2), pp. 65–70. Available at: https://journal.its.ac.id/index.php/ijcsam/article/view/4533 (Accessed: 30 January 2026).