Heltberg School (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heltberg School" in English language version.

refsWebsite

Global rank English rank

2nb.no

1,595^th place

4,129^th place

nb.no

urn.nb.no

Oslo byleksikon. Kunnskapsforlaget. 1987. p. 283. ISBN 8257302287.
Jørgensen, Mosse (1997). "Haagaas Artiumskursus". Skoler jeg møtte. Pedagogisk psykologisk forlag. pp. 42–51. ISBN 8277670591.