@article{Herceg Mandić_Ivkov Džigurski_Ivanović Bibić_Đukičin_2016, title={Modeling the Geography Class through Problem-Based Teaching: a Case Study from Novi Sad, Serbia}, volume={1}, url={https://aes.bio.bg.ac.rs/index.php/JSD/article/view/33}, DOI={10.5281/zenodo.55471}, number={1}, journal={Journal of Subject Didactics}, author={Herceg Mandić, Vera and Ivkov Džigurski, Anđelija and Ivanović Bibić, Ljubica and Đukičin, Smiljana}, year={2016}, month={Feb.}, pages={13-23}