https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221975%20%282001%20impr.%29%22&sort_by=title_az&format=rss 2 0 50 ISBN:9684363265 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=95859 ]]> México : Progreso, 1975 .
127 p. 9684363265

]]> Place hold on Bases didácticas /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=95859 ISBN:9687988258 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=93401 ]]> México : Médica Panamericana, 1975 .
269 p. 9687988258

]]> Place hold on El lenguaje lectoescrito y sus problemas /

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