@article{Yakovleva2023the,
author={Yakovleva, Y.V.},
title={The Russian Psychological and Pedagogical Olympiad  of schoolchildren named after K.D. Ushinsky:  history and modernity},
journal={Journal of Pedagogical Studies},
publisher={INFRA-M Academic Publishing LLC.},
year={2023},
pages={26-30},
volume={8},
issue={3},
}