1P. C. Blumenfeld, E. Soloway, R. W. Marx,J. S. Krajcik. MotivatingProject - Based Learning : Sustaining the Doing, Supporting the Learn-ing, Educational psychologist,1991,26(3 -4) :369 -398.
2A. Prencipe,F. Tell. Inter - Project Learning: Processes and Outcomesof Knowledge Codification in Project - Based Firms. Research Policy,2001,30(9);1373 -1394.
3M. Schindler,M. J. Eppler. Harvesting Project Knowledge: A Review ofProject Learning Methods and Success Factors. International Journal ofProject Management,2003 ,21 (3) :219 -228.