@article{Śleziński_2019, title={Building Learning Power and Critical Thinking in the Field of Online Tutoring}, volume={5}, url={https://journals.us.edu.pl/index.php/IJREL/article/view/8419}, DOI={10.31261/IJREL.2019.5.1.02}, number={1}, journal={International Journal of Research in E-learning}, author={Śleziński, Krzysztof}, year={2019}, month={Feb.}, pages={21-33} }