Gabdarxakovna Shamsutdinova, R., Mikhailovna Shuvalova, E., & MarselevnaI Mamutdinova, A. (2017). History teaching in the soviet school of the 1920s - 1930s: (for example, schools in the city of kazan). Revista San Gregorio, 5(20), 72–79. https://doi.org/10.36097/rsan.v5i20.517