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A comparative analysis of the energy return on investment of organic and conventional Icelandic dairy farmsA comparative analysis of the energy return on investment of organic and conventional Icelandic dairy farms

Reynir Smári Atlason 1985; Kjærheim, Karl Martin 1986; Brynhildur Davíðsdóttir 1968; Kristín Vala Ragnarsdóttir 1954 (2015)

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