https://cdc.usac.edu.gt/3d-flip-book/manual-de-normas-graficas/2024-11-29T15:18:26+01:00https://cdc.usac.edu.gt/3d-flip-book/ejemplo-de-publicacion-pdf/2026-04-09T18:26:51+02:00https://cdc.usac.edu.gt/3d-flip-book/manual-instruccional-sitio-web-cdc-2026/2026-04-30T03:41:46+02:00https://cdc.usac.edu.gt/3d-flip-book/ejemplo-de-documento-pdf-como-revista/2026-04-30T17:37:55+02:00https://cdc.usac.edu.gt/3d-flip-book/guia-didactica-diversidad-biologica-conservacion-e-investigacion-sobre-flora-endemica-de-dos-areas-protegidas-en-izabal-guatemala/2026-06-04T16:49:32+02:00