id	domain	url
dem-30524	www.dem.umk.pl	http://www.dem.umk.pl/dem
dem-30524	dx.doi.org	http://dx.doi.org/10.12775/dem.2019.005
dem-30524	dx.doi.org	http://dx.doi.org/10.6007/ijarafms/v9-i2/6029
dem-30524	dx.doi.org	http://dx.doi.org/10.1016/0165-4101(92)90026-x
dem-30524	dx.doi.org	http://dx.doi.org/10.22630/eiogz.2015.111.36
dem-30524	dx.doi.org	http://dx.doi.org/10.22630/eiogz.2015.111.36
dem-30524	dx.doi.org	http://dx.doi.org/10.2307/2491220
dem-30524	dx.doi.org	http://dx.doi.org/10.1016/0165-4101(89)90017-7
dem-30524	dx.doi.org	http://dx.doi.org/10.2307/2491068
dem-30524	dx.doi.org	http://dx.doi.org/10.5539/ijbm.v7n3p32
dem-30524	dx.doi.org	http://dx.doi.org/10.22630/mibe.2017.18.4.62
dem-30524	dx.doi.org	http://dx.doi.org/10.1170/0148558x9300800406
dem-30524	dx.doi.org	http://dx.doi.org/10.2307/2491220
dem-30524	dx.doi.org	http://dx.doi.org/10.1016/0165-4101(89)90017-7
dem-30524	dx.doi.org	http://dx.doi.org/10.2307/2491068
dem-30524	dx.doi.org	http://dx.doi.org/10.5539/ijbm.v7n3p32
dem-30524	dx.doi.org	http://dx.doi.org/10.22630/mibe.2017.18.4.62