https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22Repetici%C3%B3n%20de%20curso%22%29&sort_by=title_az&format=rss 12 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64280 By Heikkinen, S., coaut..
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34-56

]]> Place hold on Colombia : acceso, permanencia, repetición y eficiencia en la educación básica

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64280 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=66342 By Thomas, Amanda McCombs.
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342-347

]]> Place hold on Early retention : are there long-term beneficial effects?

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=66342 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=67107 By Pierson, Louisa H..
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300-307

]]> Place hold on Effect of grade retention on self-system processes, school engagement, and academic performance

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=67107 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=24101 By Castañeda Guillén, Marisela.
Zapopan, Jal. : M. Castañeda Guillén, 1997 .
79 h. , "Unidad 14E"

]]> Place hold on Factores que influyen en la reprobación en la escuela primaria /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=24101 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=69944 By Schwager, Maha T., coaut..
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421-438

]]> Place hold on How school district policy influences grade level retention in elementary schools / Maha T. Schwager...[et al.]

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=69944 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=185089 By Cordero Ferrera, José Manuel | Manchón López, César | Simancas Rodríguez, Rosa.

]]> Place hold on La repetición de curso y sus factores condicionantes en España

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=185089 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=198539 By Méndez Mateo, Inmaculada | Cerezo Ramírez, Fuensanta.

]]> Place hold on La repetición escolar en educación secundaria y factores de riesgo asociados

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=198539 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76120 By MYERS, Robert G.
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55-86

]]> Place hold on Repetición escolar : estudios de caso de dos escuelas rurales en el estado de Oaxaca, México

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76120 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76122 By Goodman, Joan F..
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184-192

]]> Place hold on Repetition in early invtervention programs

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76122 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51805 By Pérez Chávez, Javier.
Zapopan, Jal. : J. Pérez Chávez, 1997 .
103, [4] h. , "Unidad 14E"

]]> Place hold on La reprobación y el bajo rendimiento escolar en secundaria /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51805 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=78701 By Allington, Richard L..
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397-414

]]> Place hold on Unintended effects of educational reform in New York

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