https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AEditorial%20El%20Ateneo&sort_by=relevance&format=rss 2 0 50 ISBN: https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=639 By Robertis De, ERobertis De, E.M.F.
Bienos Aires Editorial El Ateneo 1980 .
613 p. il.; 26 cm.

]]> Place hold on Biología Celular y Molecular

]]> https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=639 ISBN: https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=115 By Stigler, George J..
México D.F. Editorial El Ateneo 1979 .
230 p. 22 cm.

]]> Place hold on Historia del pensamiento económico

]]> https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=115