@article{Sanecka_2019, title={Procrastination in Blended Learning The Role of General Self-efficacy, and Active and Passive Procrastination}, volume={5}, url={https://www.journals.us.edu.pl/index.php/IJREL/article/view/8430}, DOI={10.31261/IJREL.2019.5.2.04}, number={2}, journal={International Journal of Research in E-learning}, author={Sanecka, Elżbieta}, year={2019}, month={Feb.}, pages={49-65} }