PEKAREK, Stepan. POPULATION AGING AND ECONOMIC DEPENDENCY RATIO: COMPARATIVE STUDY OF THE CZECH REPUBLIC AND SLOVAKIA. Ecoforum Journal, [S. l.], v. 7, n. 1, 2018. Disponível em: https://ecoforumjournal.ro/index.php/eco/article/view/2084. Acesso em: 21 nov. 2025.