1] The impact of a brief gratitude intervention on subjective well-being, biology and sleep, Marta Jackowska, Department of Psychology, Whitelands College, University of Roehampton, UK
[2] Feasibility and utility of positive psychology exercises for suicidal inpatients, Huffman JC, Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA et al.
[3] The effects of two novel gratitude and mindfulness interventions on well-being, O’Leary K. and Dockray S., school of Applied Psychology, University College Cork, Cork, Ireland.
[4] Improving mental health in health care practitioners : randomized controlled trial of a gratitude intervention, Cheng ST, Tsui PK and Lam JH, Department of Psychological Studies and Department of Health and Physical Education, Hong Kong Institute of Education