https://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S1409-469X2010000100002&lng=es&nrm=iso&tlng=es#correspondencia [dreh-a02v11n1-20251119 (2).zip](https://github.com/user-attachments/files/23688198/dreh-a02v11n1-20251119.2.zip)
