By Østergaard Edvin   Lieblein Geir   Breland Tor Arvid   Francis Charles   in The Journal of Agricultural Education and Extension

ISSN:1389-224X|16|1|23-37

Routledge Ltd‎(2010)‎

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By Lieblein Geir   Breland Tor Arvid   Francis Charles   Østergaard Edvin   in The Journal of Agricultural Education and Extension

ISSN:1389-224X|18|1|27-40

Routledge Ltd‎(2012)‎

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By Bakken Anne Kjersti   Breland Tor Arvid   Haraldsen Trond   Aamlid Trygve   Sveistrup Tore   in Acta Agriculturae Scandinavica, B

ISSN:0906-4710|56|2|81-90

Taylor & Francis Ltd‎(2006)‎

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