%0 Journal Article %T Hopelessness and perceived stress: the mediating role of cognitive flexibility and intolerance of uncertainty %A Demirtas, A.S. %A Yildiz, B. %J Dusunen Adam Journal of Psychiatry and Neurological Sciences %D 2019 %V 32 %P 259-267 %R 10.14744/DAJPNS.2019.00035