https://hdl.handle.net/11592/8405 Fri, 10 Apr 2026 18:54:11 GMT 2026-04-10T18:54:11Z https://ri.ufg.edu.sv:443/jspui/retrieve/b98cce53-fd85-419c-a6ac-fd28191bae3b/Ponencias.png https://hdl.handle.net/11592/8405