(2015). Persian-translation vol. 12, no. 6, December 2015. Iranian Journal of Fuzzy Systems, 12(6), 157-164. doi: 10.22111/ijfs.2015.2641
. "Persian-translation vol. 12, no. 6, December 2015". Iranian Journal of Fuzzy Systems, 12, 6, 2015, 157-164. doi: 10.22111/ijfs.2015.2641
(2015). 'Persian-translation vol. 12, no. 6, December 2015', Iranian Journal of Fuzzy Systems, 12(6), pp. 157-164. doi: 10.22111/ijfs.2015.2641
Persian-translation vol. 12, no. 6, December 2015. Iranian Journal of Fuzzy Systems, 2015; 12(6): 157-164. doi: 10.22111/ijfs.2015.2641
)