Berde, Éva, and Izabella Kuncz. “Active Ageing Index, New Emphasis Within the Same Methodology. The Role of the Internet”. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice 29, no. 4 (November 1, 2019): 1-20. Accessed March 29, 2024. https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/599.