https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=8287%26limit%3Dsu-to%3APSICOLOGIA%20INFANTIL%26limit%3Ditype%3ABK%26limit%3Dau%3AGesell%2C%20Arnold%26limit%3Dsu-to%3ADESARROLLO%20MOTRIZ&format=rss2 Search results for 'an,phr: 8287&limit=su-to:PSICOLOGIA INFANTIL&limit=itype:BK&limit=au:Gesell, Arnold&limit=su-to:DESARROLLO MOTRIZ' at Biblioteca UGB 0 20