Plecka, Przemysław; Bzdyra, Krzysztof - In: Foundations of Management : the journal of Warsaw … 6 (2014) 2, pp. 21-30
of determining the cost of additional works. Most methods of cost estimation bring satisfactory results only at the stage … of pre-implementation analysis. However, suppliers need to know the estimated cost as early as at the stage of trade … information about the value of work, but also about the minimum and maximum expected cost, and the most likely range of costs …