Diefenbach, Sarah. “Positive technology–A Powerful Partnership Between Positive Psychology and Interactive Technology. A Discussion of Potential and Challenges.”. Journal of Positive Psychology and Wellbeing 2, no. 1 (November 10, 2017): 1-22. Accessed April 9, 2020. http://www.journalppw.com/index.php/JPPW/article/view/19.