KALVĀNS, Ēriks. LATGALE INHABITANTS’ SATISFACTION WITH THE STATE IN CONTEXT OF THEIR FEELING OF HAPPINESS. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 1, p. 524–533, 2017. DOI: 10.17770/sie2017vol1.2416. Disponível em: https://journals.ru.lv/index.php/SIE/article/view/2416.. Acesso em: 2 may. 2024.