Abdurrahman, Saman. “CROSS PRODUCT OF IDEAL FUZZY SEMIRING”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 17, no. 2 (June 11, 2023): 1131-1138. Accessed November 22, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/8316.