https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221976%20%281983%20impr.%29.%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=50287 La Habana : Ministerio de Educación : | Pueblo y Educación, 1976 .
137 p. :

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=50287 ISBN:9686055924 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=59138 ]]> By Woodward, Dan H..
México : Pax-México, 1976 .
xiii, 153 p. : 9686055924

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