https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22CONACYT%20te%20cuenta%20%3B%22&sort_by=title_az&format=rss 5 0 50 ISBN:9688231908 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=10366 ]]> By Ducrocq, Albert.
México : Alhambra : | CONACYT, 1987 .
59 p. : 9688231908

]]> Place hold on Las computadoras y los robots /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=10366 ISBN:9688231932 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=28754 ]]> By Ducrocq, Albert.
México : Alhambra : | CONACYT, 1988 .
59 p. : 9688231932

]]> Place hold on El hombre y su cuerpo /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=28754 ISBN:9688231916 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84306 ]]> By Ducrocq, Albert,.
México : CONACYT : | Alhambra Mexicana, 1987 .
59 p. : 9688231916

]]> Place hold on Los satélites y el espacio /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84306 ISBN:9688231924 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=56828 ]]> By Ducrocq, Albert,.
México : Alhambra Mexicana : | CONACYT, 1987 .
59 p. : 9688231924

]]> Place hold on La tierra /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=56828 ISBN:9688231959 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84310 ]]> By Ducrocq, Albert,.
México : CONACYT : | Alhambra Mexicana, 1988 .
59 p. : 9688231959

]]> Place hold on La vida del agua /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84310