S. Vehapi, E. V. Asafova, K. G. Erdyneeva, A. A. Tyazhelnikov, S. P. Zhdanov, and A. R. Shaidullina, “Comparative Analysis of Mobile Learning Trends of Physical Education Teaching Students: Republic of Kosovo and Russia Example”, Int. J. Emerg. Technol. Learn., vol. 16, no. 19, pp. pp. 44–58, Oct. 2021.