MEDVECKIS, Arturs. IDENTITY OF KĀRLIS RŪDOLFS KREICBERGS IN HIS LIFE. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 4, p. 512–524, 2016. DOI: 10.17770/sie2016vol4.1585. Disponível em: https://journals.ru.lv/index.php/SIE/article/view/1585.. Acesso em: 3 may. 2024.