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European Journal of Management Issues > 2017 > 25 > 3-4 > 115-124
Cybernetics and Systems Analysis > 2016 > 52 > 4 > 588-599
Cybernetics and Systems Analysis > 2013 > 49 > 1 > 98-109
Cybernetics and Systems Analysis > 2013 > 49 > 6 > 865-876