Bartoszewicz M, Gulińska H, Gaidova M. The Use of E-Learning Platform by Flipped Classroom Method in Chemistry Lessons in Poland and Ukraine – Case Study. IJREL [Internet]. 2020 Jun. 29 [cited 2025 Jun. 16];6(1):1-12. Available from: https://journals.us.edu.pl/index.php/IJREL/article/view/11027