https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Thonstad%2C%20Tore%22&sort_by=title_az&format=rss 3 0 50 ISBN:9233017192. https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=138954 ]]> By Thonstad, Tore.
París : UNESCO, 1986. .
136 p.; 30 cm. il., fot. 9233017192.

]]> Place hold on Análisis y proyecciones de la matrícula escolar en los países en desarrollo: manual metodológico/ Tore Thonstad.

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=138954 ISBN:9232017199. https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=138953 ]]> By Thonstad, Tore.
París : UNESCO, 1983. .
131 p.; 30 cm. il., fot. 9232017199.

]]> Place hold on Analyse et projection des effectifs scolaires dans les pays en développement: manuel de méthologie/ par Tore Thonstad.

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=138953 ISBN:9231017195 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=139958 ]]> By Thonstad, Tore.
Paris : UNESCO, 1981. .
112 p. ; 30 cm. il., retrs. 9231017195

]]> Place hold on Analysing and projecting school enrolment in developing countries: A manual ofmethodology / by Tore Thonstad.

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=139958