Chilikova, Yevgeniya V. “To the 100th Anniversary of R. Koshkarbayev: Sources about Heroic Achievements and Awards”. Zhana Arkhiv 3, no. 2 (June 30, 2024): 142–152. Accessed October 7, 2026. https://zhana-arkhiv.targetkz.space/zhana-arkhiv/article/view/89.