Institute of Computer Science continues a long-term cooperation with the International School for Social and Business Studies (ISSBS). Dr. Eng Marek Milosz was a lecturer at Summer School “Innovation in Business – Environmental Challenges” organized in Celje. On 3-4 July 2012 he conducted a lecture: “System Dynamics Modeling. An introduction” and computer managing game “Decision Simulation Game: SERVICES – Construction Services Market Development “.