1. Baron, J., & Brown, R.V. (1998). Toward improved instruction in decision making to adolescents: A conceptual framework and pilot program. In J. Baron & R. V. Brown (Eds.), Teaching decision making to adolescents (pp. 95-122). Hillsdale, NJ: Lawrence Erlbaum Associates.
2. Birgelytė A. (Birgelyte A.) Projektų metodas kaip sinergetinė sistema (The Project method as a system of synergetics). – Vilnius, Vilniaus pedagoginis universitetas, Regioninės geografijos katedra, 2005, p. (c.) 6.
3. Bransford, J., & Stein, B.S. (1984). The IDEAL problem solver: A guide for improving thinking, learning, and creativity. New York, NY: W. H. Freeman.
4. Bransford, J., & Stein, B.S. (1993). The IDEAL problem solver: A guide for improving thinking, learning, and creativity. New York, NY: W. H. Freeman.
5. Duschl, R.A., & Osborne, J. (2002). Supporting and promoting argumentation discourse in science education. Studies in Science Education, 38 (1), 39-72.