Affiliation: | 1.Lower Secondary School Anice ?ernejeve, Makole, Makole 24, 2321, Makole, Slovenia ;2.Department of Technical Education, Faculty of Natural Sciences and Mathematics, University of Maribor, Koro?ka cesta 160, 2000, Maribor, Slovenia ;3.Faculty of Mechanical Engineering, University of Maribor, Smetanova ulica 17, 2000, Maribor, Slovenia ;4.Department of Biology, Faculty of Natural Sciences and Mathematics, University of Maribor, Koro?ka cesta 160, 2000, Maribor, Slovenia ;5.Faculty of Electrical Engineering and Computer Science, University of Maribor, Koro?ka cesta 46, 2000, Maribor, Slovenia ; |