@misc{a+flexible+approach+to+the+evaluation+of+the+cost+effectiveness+of+investment+projects, author = {Kośmieja, Maria i Pasławski, Jerzy}, title = {A flexible approach to the evaluation of the cost effectiveness of investment projects}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2017}, number = {Y. 114, vol. 9} }