J. R. Aguirre Silvero, “Stress, depression and anxiety levels after the COVID-19 pandemic in Paraguayan university students”, UNIDA Sld., vol. 2, no. 2, pp. 31–39, May 2023, Accessed: Nov. 09, 2026. Available: https://revistacientifica.unida.edu.py/publicaciones/index.php/unidasld/article/view/162