Turčáni, M. and Kuna, P. (2013) ’ANALYSIS OF SUBJECT DISCRETE MATHEMATICS PARTS AND PROPOSAL OF E-COURSE MODEL FOLLOWING PETRI NETS FOR INFORMATICS EDUCATION’, Journal on Efficiency and Responsibility in Education and Science, vol. 6, no. 1, pp. 1–13. https://doi.org/10.7160/eriesj.2013.060101