https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=kw&q=su-rl%3Accl%3Dan%3A%225810%22%20and%20au%3ACalder%C3%83%C2%83%C3%82%C2%B3n%2C%20Xiomara%20Patricia%20and%20au%3ACalder%C3%83%C2%83%C3%82%C2%B3n%2C%20Xiomara%20Patricia%20and%20au%3AD%C3%83%C2%83%C3%82%C2%ADaz%20Ar%C3%83%C2%83%C3%82%C2%A9valo%2C%20Gabriela%20Margarita%20and%20au%3AGonz%C3%83%C2%83%C3%82%C2%A1lez%20Murillo%2C%20Carlos%20Ernesto%20and%20su-to%3ATESIS%20and%20holdingbranch%3AUGB%20and%20au%3AGonz%C3%83%C2%83%C3%82%C2%A1lez%20Murillo%2C%20Carlos%20Ernesto%20and%20holdingbranch%3AUSU%20and%20%28%20%28%20allrecords%2CAlwaysMatches%3A%27%27%20not%20onloan%2CAlwaysMatches%3A%27%27%29%20and%20%28lost%2Cst-numeric%3D0%29%20%29&format=rss2 Search results for 'kw,wrdl: su-rl:ccl=an:"5810" and au:Calderón, Xiomara Patricia and au:Calderón, Xiomara Patricia and au:Díaz Arévalo, Gabriela Margarita and au:González Murillo, Carlos Ernesto and su-to:TESIS and holdingbranch:UGB and au:González Murillo, Carlos Ernesto and holdingbranch:USU and ( ( allrecords,AlwaysMatches:'' not onloan,AlwaysMatches:'') and (lost,st-numeric=0) )' at Biblioteca UGB 0 20