1. Aigare, A., Thomas, P. L., & Koyumdzhieva, T. (2011). Diversity management in higher education institutions: Key motivators (Bachelor Thesis in Business Administration). http://www.diva-portal.org/smash/get/diva2:426378/FULLTEXT02.pdf . Retrieved 5 Oct 2018.
2. Al-Rodhan, N. (2018). The seven capacities of states: A meta-geopolitical framework. The Georgetown Journal of International Affairs. https://www.georgetownjournalofinternationalaffairs.org/online-edition/2018/3/7/the-seven-capacities-of-states-a-meta-geopolitical-framework . Retrieved 27 Sept 2018.
3. Bährer- Kohler, S. (2017). Global mental health. Prevention and promotion. https://www.springer.com/de/book/9783319591223 . Retrieved 11 Oct 2018.
4. Bolkus, N. (2018). Political aspects of diversity - Social justice in a changing Australia. https://www.dss.gov.au/our-responsibilities/settlement-services/programs-policy/a-multicultural-australia/programs-and-publications/1995-global-cultural-diversity-conference-proceedings-sydney/political-aspects-of-diversity/political-aspects-of-diversity-social . Retrieved 1 Oct 2018.
5. EC- European Commission. (2013). Strategies for improving participation in and awareness of adult learning: European Guide. Luxembourg, Publications Office of the European Union. In ELINET (2015, p. 9). http://www.eli-net.eu/fileadmin/ELINET/Redaktion/user_upload/The_key_features_of_successful_awareness_raising__campaigns_10-15_LM_ELINET.pdf . Retrieved 1 Oct 2018.