@ARTICLE{Rach_Valentin_Features_2012, author={Rach, Valentin and Borzenko-Miroshnichenko, Alina}, number={No 4}, journal={Teka Commission of Motorization and Power Industry in Agriculture}, howpublished={online}, year={2012}, publisher={The Lublin Branch of the Polish Academy of Sciences}, title={Features of project analysis of the project portfolio of regional educational space}, }