Kassimova, S.S., K.A. Temirgaliev, B. Nugman, and N.B. Smagulov. 2023. “Saken Seifullin and the Introduction of the Kazakh Language in Office Work”. Bulletin of the Karaganda University History. Philosophy Series 111 (3):58-68. https://doi.org/10.31489/2023hph3/58-68.