https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Regules%2C%20Sergio%20de%22&sort_by=title_az&format=rss 4 0 50 ISBN:9702913438 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=174644 ]]> By Barajas, Libia.
México : Divulgación : | Santillana, 2006 .
79 p. : 9702913438

]]> Place hold on Compartir la ciencia /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=174644 ISBN:9688535990 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=124482 ]]> By Régules, Sergio de.
México : Paidós, 2005 .
156 p. 9688535990

]]> Place hold on ¡Qué científica es la ciencia! :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=124482 ISBN:9686177531 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51658 ]]> By Regules, Sergio de.
México : CNCA, Dirección General de Publicaciones : | Pangea, 1986 .
109 p. : 9686177531

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51658 ISBN:970719006X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=149182 ]]> By Regules, Sergio de.
México : Pangea, 2002 .
109 p. : 970719006X

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