List of Articles Hyers-Ulam-Rassias stability Open Access Article Abstract Page Full-Text 1 - Asymptotic aspect of quadratic functional equations and super stability of higher derivations in multi-fuzzy normed spaces M. khanehgir F. Hasanvand Open Access Article Abstract Page Full-Text 2 - Approximate solutions of homomorphisms and derivations of the generalized Cauchy-Jensen functional equation in $C^*$-ternary algebras P. Kaskasem C. Klin-eam