Alaba, Berhanu Assaye, Yohannes Gedamu Wondifraw, and Bekalu Tarekegn Bitew. 2017. “Fuzzy Amicable Sets of an Almost Distributive Fuzzy Lattice”. (IJCSAM) International Journal of Computing Science and Applied Mathematics 3 (2):50-54. https://journal.its.ac.id/index.php/ijcsam/article/view/4562.