Rymarczyk, Tomasz, et al. “THE USE OF PETRI NETS IN DECISION SUPPORT SYSTEMS BASED ON INTELLIGENT MULTIPLY SOURCE DATA ANALYSIS”. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, vol. 7, no. 4, Dec. 2017, pp. 24-27, doi:10.5604/01.3001.0010.7246.