https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Dem%C3%B3stenes%2C%22&sort_by=title_az&format=rss 3 0 50 ISBN:9684323166 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=16121 ]]> By Demóstenes,.
México : Porrúa, 1991 .
xi, 181 p. 9684323166

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=16121 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=50890 By Rojas R., Demóstenes.
México : McGraw-Hill, 1978 .
163 p.

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