“…The PROMETHEE method does not provide clear guidelines to the assessment of criteria importance, either, but it is rather left to the decision-makers' rough estimate, and, as such, is imprecise and unreliable. The criteria used in the process of alternatives evaluation are expressed in different measure units with different requirements of minimization or maximization, they are changeable in time, heterogeneous, and frequently contradictory, as well [1,16], whereas their relative significance is a variable category and depends on a concrete situation, as well as on the decision-maker's subjective perceptions. Besides, the significance attributed to criteria determines to a great extent the final selection, so, pursuant to the importance of this problem issue, it is necessary within the MCDM process, that much more complex approaches to the determination of the criteria relative weight than that offered by the PROMETHEE method should be included.…”