https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%22327%22%20and%20au%3AAguilar%20Navarro%2C%20Marlene%20Elizabeth%20and%20su-to%3AINVESTIGACIONES%20INSTITUCIONALES%20and%20au%3AGarc%C3%83%C2%ADa%20Espinoza%2C%20Gisela%20Yasm%C3%83%C2%ADn&format=rss2 Search results for 'an:"327" and au:Aguilar Navarro, Marlene Elizabeth and su-to:INVESTIGACIONES INSTITUCIONALES and au:García Espinoza, Gisela Yasmín' at Biblioteca UGB 0 20