Brečko Grubar, Valentina, and Gregor Kovačič. 2017. “Odnos Do Trajnostnega Razvoja in Viri Znanja O Trajnostnem Razvoju študentov Geografije V Sloveniji // Attitude towards Sustainable Development and Sources of Knowledge of Sustainable Development Among Geography Students in Slovenia”. Geografski Vestnik 89 (1). https://doi.org/10.3986/GV89105.