Anta Sari, D. R., and M. Mashadi. “New Arithmetic Triangular Fuzzy Number for Solving Fully Fuzzy Linear System Using Inverse Matrix”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 46, no. 2, June 2019, pp. 169-80, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/10044.