Šafhalter, A., Glodež, S., Aberšek, B., & Karin Bakračevič Vukman. (2014). DEVELOPING SPATIAL ABILITY USING 3D MODELING IN LOWER SECONDARY SCHOOL. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 61, Discontinuous. presented at the October/2014. doi:https://doi.org/10.33225/pec/14.61.113

Šafhalter, A., Glodež, S., & Karin Bakračevič Vukman. (2012). DEVELOPING SPATIAL VISUALIZATION WITH 3D MODELING. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 46. presented at the October/2012. doi:https://doi.org/10.33225/pec/12.46.131

Šafhalter, A., Glodež, S., & Karin Bakračevič Vukman. (2013). SPATIAL ABILITY, 3D MODELING AND STYLES OF THINKING IN RELATION TO BRAIN HEMISPHERE DOMINANCE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 54. presented at the June/2013. doi:https://doi.org/10.33225/pec/13.54.91

Šafhalter, A., & Pešaković, D. (2015). TECHNICAL TALENT AND TECHNICAL CREATIVITY IN LOWER SECONDARY SCHOOL STUDENTS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 65, Discontinuous. presented at the June/2015. doi:https://doi.org/10.33225/pec/15.65.73

Pešaković, D., & Šafhalter, A. (2016). UNIFIED TAXONOMY OF COMPETENCES FOR VERIFICATION OF STUDENT'S SKILLS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 72, Discontinuous. presented at the August/2016. doi:https://doi.org/10.33225/pec/16.72.89