Ļevina, Jeļena, Kristīne Mārtinsone, Sandra Mihailova, and Ilona Gintere. “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 (May 17, 2015): 577–587. Accessed May 2, 2024. https://journals.ru.lv/index.php/SIE/article/view/476.