Hrytsenko, A. P., Chumachenko, O. A., & Prokopchuk, V. S. (2022). The initial period of the campaign to eliminate illiteracy in the Sumy region in the 1920s: Agitation for literacy, encouragement to study on an ideological factor (according to the State Archives of Sumy region).
Chicago-Zitierstil (17. Ausg.)Hrytsenko, A. P., O. A. Chumachenko, und V. S. Prokopchuk. The Initial Period of the Campaign to Eliminate Illiteracy in the Sumy Region in the 1920s: Agitation for Literacy, Encouragement to Study on an Ideological Factor (according to the State Archives of Sumy Region). 2022.
MLA-Zitierstil (8. Ausg.)Hrytsenko, A. P., et al. The Initial Period of the Campaign to Eliminate Illiteracy in the Sumy Region in the 1920s: Agitation for Literacy, Encouragement to Study on an Ideological Factor (according to the State Archives of Sumy Region). 2022.