Deardorff, D. K. (2006). Identification and assessment of intercultural competence as a student outcome of internationalization. Journal of Studies in International Education, 10(3), 241-266.
Hammer, M. R. (2012). The Intercultural Development Inventory: A new frontier in assessment and development of intercultural competence. In M. Vande Berg, R. M. Paige, & K. H. Lou (Eds.), Student learning abroad: What our students are learning, what they’re not, and what we can do about it (pp. 115-136). Sterling, VA: Stylus.
Kim, Y. Y. (2009). The identity factor in intercultural competence. In D. Deardorff (Ed.), The SAGE handbook of intercultural competence (pp. 304-320). Thousand Oaks, CA: SAGE Publishing, Inc.
Ting-Toomey, S. (2005). Identity negotiation perspective: A theoretical framework. In W. B. Gudykunst (Ed.), Theorizing about intercultural communication (pp. 211-233). Thousand Oaks, CA: SAGE Publishing, Inc.
The Cultural Iceberg, developed by Language & Culture Worldwide. https://www.languageandculture.com/cultural-iceberg
The Intercultural Development Continuum (IDC™), developed by Dr. Mitch Hammer and IDI, LLC. https://idiinventory.com/products/the-intercultural-development-continuum-idc/
The Process Model of Intercultural Competence, developed by Dr. Darla Deardorff. http://www.nafsa.org/_/file/_/theory_connections_intercultural_competence.pdf
Intercultural Competences: Conceptual and Operational Framework, developed by UNESCO. http://unesdoc.unesco.org/images/0021/002197/219768e.pdf
Hofstede's 'Dimensions of National Culture', developed by Professor Geert Hofstede, Gert Jan Hofstede, and Michael Minkov. https://www.hofstede-insights.com/product/compare-countries/
'Cultural Detective' series. https://www.culturaldetective.com/what/series-content.html