Lilleoja, L., Dobewall, H., Aavik, T., Strack, M., & Verkasalo, M. (2016). Measurement equivalence of Schwartz's refined value structure across countries and modes of data collection: New evidence from Estonia, Finland, and Ethiopia. Personality and Individual Differences, 102, 204-210. doi:10.1016/j.paid.2016.07.009