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Management > 2009 > Spec. ed. > 136-154
Management > 2009 > Vol. 13, no 1 > 99-111
Management > 2009 > Vol. 13, no 1 > 32-41
Environment Protection Engineering > 2009 > Vol. 35, nr 2 > 173-180
Environment Protection Engineering > 2009 > Vol. 35, nr 2 > 29-35
Archives of Foundry Engineering > 2009 > Vol. 9, iss. 3 > 169-172
Górnictwo i Geologia > 2008 > T. 3, z. 1 > 91-106
Geoturystyka > 2008 > nr 1 > 23-26
Management > 2008 > Vol. 12, no 1 > 188-201
Management > 2008 > Vol. 12, no 1 > 245-254
Archives of Metallurgy and Materials > 2008 > Vol. 53, iss. 2 > 633-635
Management > 2008 > Vol. 12, no 2 > 88-97
Management > 2008 > Vol. 12, no 2 > 73-87
Management > 2008 > Vol. 12, no 1 > 276-285
Management > 2008 > Vol. 12, no 1 > 175-187
Management > 2008 > Vol. 12, no 1 > 143-155