%0 Journal Article %A K. Nasreen %T Characterizations of non associative ordered semigroups by the properties of their fuzzy ideals with thresholds $(\alpha,\beta]$ %J Prikladnaâ diskretnaâ matematika %D 2019 %P 37-59 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2019_1_a2/ %G en %F PDM_2019_1_a2