Alfonso de Silvero, Mirtha, María del Carmen Di Giovanni, Luis Espínola, Orlando Valdez, Osvaldo Morel, Valentina Silva, and María Celia Acosta. “ Hoteles Seguros, Alojamiento Feliz. Diagnóstico De Los Riesgos De Hoteles De San Bernardino – Paraguay ”. Kuaapy Ayvu 10, no. 10 (December 15, 2019): 79–120. Accessed April 18, 2026. https://www.investigacioninaes.edu.py/KuaapyAyvu/index.php/ayvu/article/view/19alfonso.