Ļevina, J., Mārtinsone, K., Mihailova, S., & Gintere, I. (2015). Characteristics of Personal Value-Meaning Systems of Latvian Youths in 1998, 2005, 2010 and 2015: A Comparative Study. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, 3, 577-587. https://doi.org/10.17770/sie2015vol3.476