Kožuh, Anna, Jelena Maksimović, and Lazar StoÅ¡ić. “Working With Problem Methods – Possibilities for Pupils and Teachers”. Cypriot Journal of Educational Sciences 15, no. 5 (October 29, 2020): 1215–1227. Accessed May 16, 2024. https://un-pub.eu/ojs/index.php/cjes/article/view/5164.