https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Koller%2C%20Alois%22&sort_by=relevance&format=rss 3 0 50 ISBN: https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=406 By Koller, Alois.

]]> Place hold on Trabajo, potencia, rendimientoEnseñanza programada No.6

]]> https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=406 ISBN: https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=404 By Koller, Alois.

]]> Place hold on El circuito eléctricoEnseñanza programada No.3

]]> https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=404 ISBN: https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-detail.pl?biblionumber=403 By Koller, Alois.

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