Aghop Der-Karabetian, et al. “Relationship of Sustainable Behavior, World-Mindedness, National and Global Identities, Perceived Environmental Risk and Globalization Impact Among College Students in the United States”. Psychology and Cognitive Sciences , vol. 4, no. 1, May 2018, pp. 8-13, https://openventio.us/index.php/PCS/article/view/787.