Mărăcine, Elena Mădălina, and Niculina Liliana Mihăilescu. 2023. “Study on the Choice of the Optional Subject "Chess Education" In the School Year 2021-2022”. Logos Universality Mentality Education Novelty: Social Sciences 12 (2):28-38. https://doi.org/10.18662/lumenss/12.2/89.