@article{Horvat_Rodić_Segedinac_Rončević_2018, title={Evaluation of Cognitive Complexity of Tasks for the Topic Hydrogen Exponent in the Solutions of Acids and Bases}, volume={2}, url={https://aes.bio.bg.ac.rs/index.php/JSD/article/view/198}, DOI={10.5281/zenodo.1238972}, number={1}, journal={Journal of Subject Didactics}, author={Horvat, Saša and Rodić, Dušica and Segedinac, Mirjana and Rončević, Tamara}, year={2018}, month={Feb.}, pages={33-45}