Abdurrahman, Saman, and Thresye Thresye. “KARAKTERISTIK MATRIKS SOFT”. Jurnal Matematika Sains dan Teknologi 21, no. 2 (September 20, 2020): 73–88. Accessed April 19, 2024. https://jurnal.ut.ac.id/index.php/jmst/article/view/1042.