1.
Gabdarxakovna Shamsutdinova R, Mikhailovna Shuvalova E, MarselevnaI Mamutdinova A. History teaching in the soviet school of the 1920s - 1930s: (for example, schools in the city of kazan). RSAN [Internet]. 31 de diciembre de 2017 [citado 17 de junio de 2024];5(20):72-9. Disponible en: https://www.revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/517