Brečko Grubar, Valentina, in Gregor Kovačič. „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, no. 1 (december 1, 2017). Pridobljeno september 18, 2025. https://ojs-gr.zrc-sazu.si/gv/article/view/6645.