EXISTENTIAL CONCERNS QUESTIONNAIRE (ECQ) OF VINCENTIUS VAN BRUGGEN UKRAINIAN LANGUAGE VALIDATION AND ADAPTATION. World Science, [S. l.], v. 3, n. 6(58), p. 56–65, 2020. DOI: 10.31435/rsglobal_ws/30062020/7123. Disponível em: https://rspublisher.org/index.php/ws/article/view/1213. Acesso em: 17 mar. 2026.