1. Anohina, A. (2007). Development of an intelligent supporting system for adaptive tutoring and knowledge assessment (Doctoral dissertation, Riga Technical University, 2007) (in Latvian).
2. Anohina-Naumeca, A., Grundspenkis, J., & Strautmane, M. (2011). The concept map based assessment system: functional capabilities, evolution, and experimental results. International Journal of Continuing Engineering Education and Life-Long Learning, 21 (4), 308-327.
3. Anohina-Naumeca, A., & Graudina, V. (2012). Diversity of concept mapping tasks: degree of difficulty, directedness, and task constraints. Paper accepted for 5th International Concept Mapping Conference, Malta.
4. Cañas, A.J. (2003). A summary of literature pertaining to the use of concept mapping techniques and technologies for education and performance support: technical report. Pensacola, FL.
5. Cañas, A.J., & Novak, J.D. (2006). Re-examining the foundations for effective use of concept maps. Paper presented at the 2nd International Conference on Concept Mapping. San Jose, Costa Rica.