SCL students Jelena Grujic, Ivana Vidanovic and Marija Mitrovic took part in International Student Conference of Balkan Physical Union (ISC-BPU 5), which was held from 21-24. August 2007 in Bodrum, Turkey. Jelena Grujic gave talk on "Effecient Calculation of Energy Expectation Values in Path Integral Formalism", Ivana Vidanovic presented "Effective Action Approach for Improved Many-Body Path Integral Calculations", while Marija Mitrovic contributed poster "Heuristic Algorithm for Determination of Local Properties of Scale-Free Networks".