@ARTICLE{
author={Kostic V Dj,Stankov-Jovanovic Vesna P,Sekulic Tanja M,Takaci Djurdjica B},
year={2016},
title={Visualization of problem solving related to the quantitative composition of solutions in the dynamic GeoGebra environment},
journal={CHEMISTRY EDUCATION RESEARCH AND PRACTICE},
volume={17},
number={1},
pages={120-138},
document_type={Article},
}