The influence of theoretical concepts on the practice of assessing the quality of knowledge in the 1920-1930sIrina Vladimirovna Vladykina, Natalia Gennadievna Dyukina, Natalia Vladimirovna Leontyeva, Natalia Leonidovna Yugova and Lyubov Leonidovna KutyavinaSHS Web Conf., 121 (2021) 01002DOI: https://doi.org/10.1051/shsconf/202112101002