Namdari, K. , , Molavi, H. , , Malekpour, M. , and Kalantari, M. . "The Effect of Cognitive Hope Enhancing Training on Character Strengths of Disthymic Clients", Clinical Psychology: Research and Practice Innovations", 1, 3, 2009, 21-34. doi: 10.22075/jcp.2017.2012