A key issue for stakeholder management is to determine who, to what extent and why can influence a project. Proper identification of stake-holders and their classification according to the criteria adopted al-lows for defining their hierarchy, strength and impact on the project. This, in turn, conditions the development of a strategy for dealing with individual stakeholder groups. The definitions of the concept of a stakeholder have been reviewed to determine the identification crite-ria. The

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... ticle also attempts to systematize methods of qualifying stakeholders, depending on the number of differentiation criteria. The methods used for the qualification of stakeholders are often presented graphically.