• Business Index North 

      Middleton, Alexandra; Hersinger, Anders; Bryksenkov, Andrey; Mineev, Andrey; Dybtsyna, Elena; Bullvåg, Erlend; Simonen, Jaakko; Pesämaa, Ossi; Dahlin, Peter; Ovesen, Sissel (Business Index North;3, Research report, 2019)