https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221990.%20%282014%2C%20impr.%29%22&sort_by=title_az&format=rss 2 0 50 ISBN:9682439876 (10 dígitos) | 9789682473296 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=3902 By Díaz Vega, José Luis.
México : Trillas, 1990 .
130 p. : 9682439876 (10 dígitos) | 9789682473296 (13 dígitos)

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=3902 ISBN:9682438268 (10 dígitos) | 9789682438264 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=44850 By Arnaz, José Antonio.
México : ANUIES : | Trillas, 1990 .
74 p. 9682438268 (10 dígitos) | 9789682438264 (13 dígitos)

]]> Place hold on La planeación curricular /

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